Ensure calculator factors are explicit

hdyc-svelte/src/lib/data/calculators.ts

@@ -374,11 +374,11 @@ export const calculators: CalculatorDef[] = [
   {"slug": "microtesla-to-gauss", "name": "Microtesla to Gauss", "category": "magnetism", "type": "standard", "teaser": "Bring microtesla data into Gauss when studying legacy equipment.", "labels": {"in1": "Microtesla", "in2": "Gauss"}, "factor": 0.01, "hidden": true},
   {"slug": "gauss-to-nanotesla", "name": "Gauss to Nanotesla", "category": "magnetism", "type": "standard", "teaser": "Convert Gauss values into high-resolution nanotesla.", "labels": {"in1": "Gauss", "in2": "Nanotesla"}, "factor": 100000.0},
   {"slug": "nanotesla-to-gauss", "name": "Nanotesla to Gauss", "category": "magnetism", "type": "standard", "teaser": "Return nanotesla measurements back into Gauss.", "labels": {"in1": "Nanotesla", "in2": "Gauss"}, "factor": 1e-05, "hidden": true},
-  {"slug": "webers-per-square-meter-to-teslas", "name": "Webers per square meter to Teslas", "category": "magnetism", "type": "standard", "teaser": "A Weber per square meter is exactly one Tesla.", "labels": {"in1": "Webers per square meter", "in2": "Teslas"}, "hidden": true},
+  {"slug": "webers-per-square-meter-to-teslas", "name": "Webers per square meter to Teslas", "category": "magnetism", "type": "standard", "teaser": "A Weber per square meter is exactly one Tesla.", "labels": {"in1": "Webers per square meter", "in2": "Teslas"}, "hidden": true, "factor": 1.0},
-  {"slug": "teslas-to-webers-per-square-meter", "name": "Teslas to Webers per square meter", "category": "magnetism", "type": "standard", "teaser": "Each Tesla equals one Weber per square meter.", "labels": {"in1": "Teslas", "in2": "Webers per square meter"}},
+  {"slug": "teslas-to-webers-per-square-meter", "name": "Teslas to Webers per square meter", "category": "magnetism", "type": "standard", "teaser": "Each Tesla equals one Weber per square meter.", "labels": {"in1": "Teslas", "in2": "Webers per square meter"}, "factor": 1.0},
   {"slug": "webers-per-square-centimeter-to-gauss", "name": "Webers per square centimeter to Gauss", "category": "magnetism", "type": "standard", "teaser": "Scale the small-area flux into Gauss.", "labels": {"in1": "Webers per square centimeter", "in2": "Gauss"}, "factor": 100000000.0},
   {"slug": "gauss-to-webers-per-square-centimeter", "name": "Gauss to Webers per square centimeter", "category": "magnetism", "type": "standard", "teaser": "Convert Gauss back into Weber per square centimeter.", "labels": {"in1": "Gauss", "in2": "Webers per square centimeter"}, "factor": 1e-08, "hidden": true},
-  {"slug": "oersted-to-gauss", "name": "Oersted to Gauss", "category": "magnetism", "type": "standard", "teaser": "In vacuum, the numeric values for Oersted and Gauss match.", "labels": {"in1": "Oersted", "in2": "Gauss"}, "hidden": true},
+  {"slug": "oersted-to-gauss", "name": "Oersted to Gauss", "category": "magnetism", "type": "standard", "teaser": "In vacuum, the numeric values for Oersted and Gauss match.", "labels": {"in1": "Oersted", "in2": "Gauss"}, "hidden": true, "factor": 1.0},
   {"slug": "gauss-to-oersted", "name": "Gauss to Oersted", "category": "magnetism", "type": "standard", "teaser": "Translate the flux density version back into the magnetizing force scale.", "labels": {"in1": "Gauss", "in2": "Oersted"}, "factor": 1.0},
   {"slug": "kilogauss-to-microtesla", "name": "Kilogauss to Microtesla", "category": "magnetism", "type": "standard", "teaser": "A kilogauss field equals 100,000 microtesla.", "labels": {"in1": "Kilogauss", "in2": "Microtesla"}, "factor": 100000.0},
   {"slug": "microtesla-to-kilogauss", "name": "Microtesla to Kilogauss", "category": "magnetism", "type": "standard", "teaser": "Convert microtesla readings into kilogauss.", "labels": {"in1": "Microtesla", "in2": "Kilogauss"}, "factor": 1e-05, "hidden": true},
@@ -606,11 +606,11 @@ export const calculators: CalculatorDef[] = [
   {"slug": "horsepower-to-btumin", "name": "Horsepower to BTU/min", "category": "energy", "type": "standard", "teaser": "Get BTUs per minute from mechanical horsepower.", "labels": {"in1": "Horsepower", "in2": "BTU/min"}, "factor": 42.4072263427},
   {"slug": "horsepower-to-calories-per-second", "name": "Horsepower to Calories Per Second", "category": "energy", "type": "standard", "teaser": "Translate mechanical horsepower into calories per second.", "labels": {"in1": "Horsepower", "in2": "Calories Per Second"}, "factor": 178.226546845},
   {"slug": "horsepower-to-electrical-horsepower", "name": "Horsepower to Electrical Horsepower", "category": "power", "type": "standard", "teaser": "Convert mechanical horsepower into electrical horsepower.", "labels": {"in1": "Horsepower", "in2": "Electrical Horsepower"}, "factor": 0.999597683646, "hidden": true},
-  {"slug": "kilowatts-to-kva", "name": "Kilowatts to kVA", "category": "power", "type": "standard", "labels": {"in1": "Kilowatts", "in2": "kVA"}},
+  {"slug": "kilowatts-to-kva", "name": "Kilowatts to kVA", "category": "power", "type": "standard", "labels": {"in1": "Kilowatts", "in2": "kVA"}, "factor": 1.0},
   {"slug": "lusec-to-watts", "name": "Lusec to Watts", "category": "power", "type": "standard", "labels": {"in1": "Lusec", "in2": "Watts"}, "factor": 0.000133322},
   {"slug": "watts-to-btumin", "name": "Watts to BTU/min", "category": "energy", "type": "standard", "labels": {"in1": "Watts", "in2": "BTU/min"}, "factor": 0.0568690272522},
   {"slug": "horsepower-to-lusec", "name": "Horsepower to Lusec", "category": "power", "type": "standard", "labels": {"in1": "Horsepower", "in2": "Lusec"}, "factor": 5593224.46408},
-  {"slug": "horsepower-to-mechanical-hp", "name": "Horsepower to Mechanical Hp", "category": "power", "type": "standard", "labels": {"in1": "Horsepower", "in2": "Mechanical Hp"}},
+  {"slug": "horsepower-to-mechanical-hp", "name": "Horsepower to Mechanical Hp", "category": "power", "type": "standard", "labels": {"in1": "Horsepower", "in2": "Mechanical Hp"}, "factor": 1.0},
   {"slug": "horsepower-to-megawatts", "name": "Horsepower to Megawatts", "category": "power", "type": "standard", "labels": {"in1": "Horsepower", "in2": "Megawatts"}, "factor": 0.000745699872, "hidden": true},
   {"slug": "horsepower-to-metric-horsepower-ps", "name": "Horsepower to Metric Horsepower (ps)", "category": "power", "type": "standard", "labels": {"in1": "Horsepower", "in2": "Metric Horsepower (ps)"}, "factor": 1.01386966599},
   {"slug": "kilowatts-to-boiler-horsepower", "name": "Kilowatts to Boiler Horsepower", "category": "power", "type": "standard", "labels": {"in1": "Kilowatts", "in2": "Boiler Horsepower"}, "factor": 0.101941995005, "hidden": true},
@@ -622,7 +622,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "lusec-to-metric-horsepower-ps", "name": "Lusec to Metric Horsepower (ps)", "category": "power", "type": "standard", "labels": {"in1": "Lusec", "in2": "Metric Horsepower (ps)"}, "factor": 1.81267473262e-07},
   {"slug": "mechanical-hp-to-boiler-horsepower", "name": "Mechanical Hp to Boiler Horsepower", "category": "power", "type": "standard", "labels": {"in1": "Mechanical Hp", "in2": "Boiler Horsepower"}, "factor": 0.0760181326265, "hidden": true},
   {"slug": "mechanical-hp-to-electrical-horsepower", "name": "Mechanical Hp to Electrical Horsepower", "category": "power", "type": "standard", "labels": {"in1": "Mechanical Hp", "in2": "Electrical Horsepower"}, "factor": 0.999597683646, "hidden": true},
-  {"slug": "mechanical-hp-to-horsepower", "name": "Mechanical Hp to Horsepower", "category": "power", "type": "standard", "labels": {"in1": "Mechanical Hp", "in2": "Horsepower"}, "hidden": true},
+  {"slug": "mechanical-hp-to-horsepower", "name": "Mechanical Hp to Horsepower", "category": "power", "type": "standard", "labels": {"in1": "Mechanical Hp", "in2": "Horsepower"}, "hidden": true, "factor": 1.0},
   {"slug": "mechanical-hp-to-metric-horsepower-ps", "name": "Mechanical Hp to Metric Horsepower (ps)", "category": "power", "type": "standard", "labels": {"in1": "Mechanical Hp", "in2": "Metric Horsepower (ps)"}, "factor": 1.01386966599},
   {"slug": "megawatts-to-boiler-horsepower", "name": "Megawatts to Boiler Horsepower", "category": "power", "type": "standard", "labels": {"in1": "Megawatts", "in2": "Boiler Horsepower"}, "factor": 101.941995005},
   {"slug": "megawatts-to-electrical-horsepower", "name": "Megawatts to Electrical Horsepower", "category": "power", "type": "standard", "labels": {"in1": "Megawatts", "in2": "Electrical Horsepower"}, "factor": 1340.48257373},
@@ -854,7 +854,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "liters-to-gallons", "name": "Liters to Gallons", "category": "volume", "type": "standard", "labels": {"in1": "Liters", "in2": "Gallons"}, "factor": 0.264172052, "hidden": true},
   {"slug": "liters-to-pints", "name": "Liters to Pints", "category": "volume", "type": "standard", "labels": {"in1": "Liters", "in2": "Pints"}, "factor": 2.11337642},
   {"slug": "liters-to-quarts", "name": "Liters to Quarts", "category": "volume", "type": "standard", "labels": {"in1": "Liters", "in2": "Quarts"}, "factor": 1.05668821},
-  {"slug": "liters-per-100-km-to-kilometers-per-liter", "name": "Liters per 100 km to Kilometers per liter", "category": "fluids", "type": "standard", "teaser": "Turn consumption from L/100 km into km per liter.", "labels": {"in1": "Liters per 100 km", "in2": "Kilometers per liter"}},
+  {"slug": "liters-per-100-km-to-kilometers-per-liter", "name": "Liters per 100 km to Kilometers per liter", "category": "fluids", "type": "inverse", "teaser": "Turn consumption from L/100 km into km per liter.", "labels": {"in1": "Liters per 100 km", "in2": "Kilometers per liter"}, "factor": 100.0},
   {"slug": "liters-per-100-km-to-miles-per-gallon", "name": "Liters per 100 km to Miles per gallon", "category": "fluids", "type": "inverse", "teaser": "Convert L/100 km into MPG.", "labels": {"in1": "Liters per 100 km", "in2": "Miles per gallon"}},
   {"slug": "liters-per-minute-to-gallons-per-minute", "name": "Liters per minute to Gallons per minute", "category": "fluids", "type": "standard", "labels": {"in1": "Liters per minute", "in2": "Gallons per minute"}, "factor": 0.264172052, "hidden": true},
   {"slug": "liters-per-second-to-cms", "name": "Liters per second to CMS", "category": "fluids", "type": "standard", "teaser": "Convert liters per second into cubic meters per second.", "labels": {"in1": "Liters per second", "in2": "CMS"}, "factor": 0.001},
@@ -864,12 +864,12 @@ export const calculators: CalculatorDef[] = [
   {"slug": "candela-to-lumens", "name": "Candela to Lumens", "category": "light", "type": "standard", "labels": {"in1": "Candela", "in2": "Lumens"}, "factor": 12.5663706},
   {"slug": "decimal-to-binary", "name": "Decimal to Binary", "category": "number-systems", "type": "base", "labels": {"in1": "Decimal", "in2": "Binary"}, "toBase": 2, "fromBase": 10, "hidden": true},
   {"slug": "decimal-to-hex", "name": "Decimal to Hex", "category": "number-systems", "type": "base", "labels": {"in1": "Decimal", "in2": "Hex"}, "toBase": 16, "fromBase": 10},
-  {"slug": "decimal-to-octal", "name": "Decimal to Octal", "category": "number-systems", "type": "standard", "labels": {"in1": "Decimal", "in2": "Octal"}},
+  {"slug": "decimal-to-octal", "name": "Decimal to Octal", "category": "number-systems", "type": "base", "labels": {"in1": "Decimal", "in2": "Octal"}, "fromBase": 10, "toBase": 8},
   {"slug": "hex-to-binary", "name": "Hex to Binary", "category": "number-systems", "type": "base", "labels": {"in1": "Hex", "in2": "Binary"}, "toBase": 2, "fromBase": 16, "hidden": true},
-  {"slug": "hex-to-decimal", "name": "Hex to Decimal", "category": "number-systems", "type": "standard", "labels": {"in1": "Hex", "in2": "Decimal"}, "hidden": true},
+  {"slug": "hex-to-decimal", "name": "Hex to Decimal", "category": "number-systems", "type": "base", "labels": {"in1": "Hex", "in2": "Decimal"}, "hidden": true, "fromBase": 16, "toBase": 10},
-  {"slug": "octal-to-binary", "name": "Octal to Binary", "category": "number-systems", "type": "standard", "teaser": "Convert base-8 digits into binary sequences.", "labels": {"in1": "Octal", "in2": "Binary"}},
+  {"slug": "octal-to-binary", "name": "Octal to Binary", "category": "number-systems", "type": "base", "teaser": "Convert base-8 digits into binary sequences.", "labels": {"in1": "Octal", "in2": "Binary"}, "fromBase": 8, "toBase": 2},
-  {"slug": "octal-to-decimal", "name": "Octal to Decimal", "category": "number-systems", "type": "standard", "teaser": "Convert octal numbers into decimal values.", "labels": {"in1": "Octal", "in2": "Decimal"}, "hidden": true},
+  {"slug": "octal-to-decimal", "name": "Octal to Decimal", "category": "number-systems", "type": "base", "teaser": "Convert octal numbers into decimal values.", "labels": {"in1": "Octal", "in2": "Decimal"}, "hidden": true, "fromBase": 8, "toBase": 10},
-  {"slug": "octal-to-hex", "name": "Octal to Hex", "category": "number-systems", "type": "standard", "teaser": "Express octal numbers as hexadecimal digits.", "labels": {"in1": "Octal", "in2": "Hex"}, "hidden": true},
+  {"slug": "octal-to-hex", "name": "Octal to Hex", "category": "number-systems", "type": "base", "teaser": "Express octal numbers as hexadecimal digits.", "labels": {"in1": "Octal", "in2": "Hex"}, "hidden": true, "fromBase": 8, "toBase": 16},
   {"slug": "base-2-to-base-3", "name": "Base 2 to Base 3", "category": "number-systems", "type": "base", "teaser": "Translate binary digits into ternary format for alternate radix comparisons.", "labels": {"in1": "Base 2", "in2": "Base 3"}, "fromBase": 2, "toBase": 3},
   {"slug": "base-2-to-base-4", "name": "Base 2 to Base 4", "category": "number-systems", "type": "base", "teaser": "Group binary bits into quaternary digits for compact notation.", "labels": {"in1": "Base 2", "in2": "Base 4"}, "fromBase": 2, "toBase": 4},
   {"slug": "base-2-to-base-5", "name": "Base 2 to Base 5", "category": "number-systems", "type": "base", "teaser": "Reframe base-2 quantities as base-5 digits when analyzing quinary systems.", "labels": {"in1": "Base 2", "in2": "Base 5"}, "fromBase": 2, "toBase": 5},
@@ -1200,7 +1200,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "square-miles-to-dunams", "name": "Square Miles to Dunams", "category": "area", "type": "standard", "teaser": "Convert square miles into dunams for regional survey math.", "labels": {"in1": "Square Miles", "in2": "Dunams"}, "factor": 2589.98811034},
   {"slug": "square-miles-to-hectares", "name": "Square Miles to Hectares", "category": "area", "type": "standard", "teaser": "Translate square-mile areas into hectares.", "labels": {"in1": "Square Miles", "in2": "Hectares"}, "factor": 258.998811034},
   {"slug": "square-miles-to-roods", "name": "Square Miles to Roods", "category": "area", "type": "standard", "teaser": "Relate square miles to roods when referencing old English land grants.", "labels": {"in1": "Square Miles", "in2": "Roods"}, "factor": 2560.0},
-  {"slug": "square-miles-to-sections", "name": "Square Miles to Sections", "category": "area", "type": "standard", "teaser": "Show how many survey sections fit into a square mile.", "labels": {"in1": "Square Miles", "in2": "Sections"}},
+  {"slug": "square-miles-to-sections", "name": "Square Miles to Sections", "category": "area", "type": "standard", "teaser": "Show how many survey sections fit into a square mile.", "labels": {"in1": "Square Miles", "in2": "Sections"}, "factor": 1.0},
   {"slug": "square-miles-to-square-mils", "name": "Square Miles to Square Mils", "category": "area", "type": "standard", "teaser": "Break square miles into square mils for micro-scale analogies.", "labels": {"in1": "Square Miles", "in2": "Square Mils"}, "factor": 4014489600000000.0},
   {"slug": "square-miles-to-townships", "name": "Square Miles to Townships", "category": "area", "type": "standard", "teaser": "Express square miles as fractional townships.", "labels": {"in1": "Square Miles", "in2": "Townships"}, "factor": 0.0277777777778, "hidden": true},
   {"slug": "square-mils-to-acres", "name": "Square Mils to Acres", "category": "area", "type": "standard", "teaser": "Convert square mils into acres for micrometer-level land analogies.", "labels": {"in1": "Square Mils", "in2": "Acres"}, "factor": 1.59422507907e-13},
@@ -1287,7 +1287,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "torr-to-cmhg", "name": "Torr to cmHg", "category": "pressure", "type": "standard", "teaser": "Convert torr into centimeters of mercury.", "labels": {"in1": "Torr", "in2": "cmHg"}, "factor": 0.1},
   {"slug": "torr-to-kpa", "name": "Torr to kPa", "category": "pressure", "type": "standard", "teaser": "Convert torr into kilopascals.", "labels": {"in1": "Torr", "in2": "kPa"}, "factor": 0.13332236842105263},
   {"slug": "torr-to-psi", "name": "Torr to PSI", "category": "pressure", "type": "standard", "teaser": "Convert torr into pounds per square inch.", "labels": {"in1": "Torr", "in2": "PSI"}, "factor": 0.019336776, "hidden": true},
-  {"slug": "ppi-to-dpi", "name": "PPI to DPI", "category": "other", "type": "standard", "labels": {"in1": "PPI", "in2": "DPI"}},
+  {"slug": "ppi-to-dpi", "name": "PPI to DPI", "category": "other", "type": "standard", "labels": {"in1": "PPI", "in2": "DPI"}, "factor": 1.0},
   {"slug": "pounds-to-tons", "name": "Pounds to tons", "category": "weight", "type": "standard", "labels": {"in1": "Pounds", "in2": "tons"}, "factor": 0.0005, "hidden": true},
   {"slug": "pounds-to-stones", "name": "Pounds to stones", "category": "weight", "type": "standard", "labels": {"in1": "Pounds", "in2": "stones"}, "factor": 0.071428, "hidden": true},
   {"slug": "pounds-to-ounces", "name": "Pounds to ounces", "category": "weight", "type": "standard", "labels": {"in1": "Pounds", "in2": "ounces"}, "factor": 16.0},
@@ -1300,7 +1300,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "percent-abv-to-proof", "name": "Percent ABV to Proof", "category": "other", "type": "standard", "teaser": "Convert alcohol by volume into US proof values (Proof = 2 \u00d7 ABV).", "labels": {"in1": "Percent ABV", "in2": "Proof"}, "factor": 2.0},
   {"slug": "proof-to-percent-abv", "name": "Proof to Percent ABV", "category": "other", "type": "standard", "teaser": "Convert US proof back into ABV (ABV = Proof / 2).", "labels": {"in1": "Proof", "in2": "Percent ABV"}, "factor": 0.5, "hidden": true},
   {"slug": "ppb-to-ppm", "name": "PPB to PPM", "category": "fluids", "type": "standard", "teaser": "Convert parts per billion into ppm.", "labels": {"in1": "PPB", "in2": "PPM"}, "factor": 0.001, "hidden": true},
-  {"slug": "ppm-to-mg-per-liter", "name": "PPM to mg/L", "category": "fluids", "type": "standard", "teaser": "For dilute aqueous solutions, treat ppm as mg per liter.", "labels": {"in1": "PPM", "in2": "mg/L"}},
+  {"slug": "ppm-to-mg-per-liter", "name": "PPM to mg/L", "category": "fluids", "type": "standard", "teaser": "For dilute aqueous solutions, treat ppm as mg per liter.", "labels": {"in1": "PPM", "in2": "mg/L"}, "factor": 1.0},
   {"slug": "ppm-to-percent", "name": "PPM to Percent", "category": "fluids", "type": "standard", "teaser": "Convert ppm values into percent by mass.", "labels": {"in1": "PPM", "in2": "Percent"}, "factor": 0.0001, "hidden": true},
   {"slug": "ppm-to-ppb", "name": "PPM to PPB", "category": "fluids", "type": "standard", "teaser": "Convert parts per million into parts per billion.", "labels": {"in1": "PPM", "in2": "PPB"}, "factor": 1000.0},
   {"slug": "planck-mass-to-kilograms", "name": "Planck mass to Kilograms", "category": "weight", "type": "standard", "teaser": "Convert the Planck mass into SI kilograms.", "labels": {"in1": "Planck mass", "in2": "Kilograms"}, "factor": 2.176434e-08},
@@ -1485,7 +1485,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "imperial-fl-oz-to-cubic-yards", "name": "Imperial fl oz to Cubic Yards", "category": "volume", "type": "standard", "teaser": "Express Imperial ounces in cubic yards for bulk yardage.", "labels": {"in1": "Imperial fl oz", "in2": "Cubic Yards"}, "factor": 3.7162882693493535e-05, "hidden": true},
   {"slug": "imperial-fl-oz-to-cups", "name": "Imperial fl oz to Cups", "category": "volume", "type": "standard", "teaser": "Show Imperial ounces in cups for recipe crossovers.", "labels": {"in1": "Imperial fl oz", "in2": "Cups"}, "factor": 0.12009499255048549, "hidden": true},
   {"slug": "imperial-fl-oz-to-drams-fluid", "name": "Imperial fl oz to Drams (fluid)", "category": "volume", "type": "standard", "teaser": "Convert Imperial ounces to fluid drams for precise dosing.", "labels": {"in1": "Imperial fl oz", "in2": "Drams (fluid)"}, "factor": 8.0},
-  {"slug": "imperial-fl-oz-to-fluid-ounces", "name": "Imperial fl oz to Fluid Ounces", "category": "volume", "type": "standard", "teaser": "Keep Imperial ounces expressed in themselves for clarity.", "labels": {"in1": "Imperial fl oz", "in2": "Fluid Ounces"}, "hidden": true},
+  {"slug": "imperial-fl-oz-to-fluid-ounces", "name": "Imperial fl oz to Fluid Ounces", "category": "volume", "type": "standard", "teaser": "Keep Imperial ounces expressed in themselves for clarity.", "labels": {"in1": "Imperial fl oz", "in2": "Fluid Ounces"}, "hidden": true, "factor": 1.0},
   {"slug": "imperial-fl-oz-to-gallons", "name": "Imperial fl oz to Gallons", "category": "volume", "type": "standard", "teaser": "Convert Imperial fluid ounces into Imperial gallons for British volume checks.", "labels": {"in1": "Imperial fl oz", "in2": "Gallons"}, "factor": 0.00625},
   {"slug": "imperial-fl-oz-to-gill", "name": "Imperial fl oz to Gill", "category": "volume", "type": "standard", "teaser": "Relate Imperial ounces to gills when crafting classic cocktails.", "labels": {"in1": "Imperial fl oz", "in2": "Gill"}, "factor": 0.2, "hidden": true},
   {"slug": "imperial-fl-oz-to-hogshead", "name": "Imperial fl oz to Hogshead", "category": "volume", "type": "standard", "teaser": "Express Imperial ounces as a fraction of a hogshead for barrel planning.", "labels": {"in1": "Imperial fl oz", "in2": "Hogshead"}, "factor": 0.00011574074074074075, "hidden": true},
@@ -1638,7 +1638,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "gallons-to-fluid-ounces", "name": "Gallons to Fluid Ounces", "category": "weight", "type": "standard", "teaser": "A pitcher pours three gallons; how many fluid ounces is that?", "labels": {"in1": "Gallons", "in2": "Fluid Ounces"}, "factor": 128.0},
   {"slug": "gallons-to-pints", "name": "Gallons to Pints", "category": "volume", "type": "standard", "teaser": "Pouring one gallon equals how many pints for serving?", "labels": {"in1": "Gallons", "in2": "Pints"}, "factor": 8.0},
   {"slug": "gallons-to-quarts", "name": "Gallons to Quarts", "category": "volume", "type": "standard", "teaser": "Four gallons convert to how many quarts for canning?", "labels": {"in1": "Gallons", "in2": "Quarts"}, "factor": 4.0},
-  {"slug": "gamma-mass-to-micrograms", "name": "Gamma (mass) to Micrograms", "category": "weight", "type": "standard", "teaser": "A lab note shows gamma units; what is that in micrograms?", "labels": {"in1": "Gamma (mass)", "in2": "Micrograms"}},
+  {"slug": "gamma-mass-to-micrograms", "name": "Gamma (mass) to Micrograms", "category": "weight", "type": "standard", "teaser": "A lab note shows gamma units; what is that in micrograms?", "labels": {"in1": "Gamma (mass)", "in2": "Micrograms"}, "factor": 1.0},
   {"slug": "gauss-to-ampere-turns-per-meter", "name": "Gauss / Ampere-turns per meter", "category": "magnetism", "type": "3col", "teaser": "Convert magnetic flux density into magnetomotive force per meter when the medium's permeability is known.", "labels": {"in1": "Gauss", "in2": "Ampere-turns per meter", "in3": "Gauss / Ampere-turns per meter"}},
   {"slug": "gauss-to-tesla", "name": "Gauss to Tesla", "category": "magnetism", "type": "standard", "teaser": "A field reads five thousand gauss; what is that in tesla?", "labels": {"in1": "Gauss", "in2": "Tesla"}, "factor": 0.0001, "hidden": true},
   {"slug": "millitesla-to-tesla", "name": "Millitesla to Tesla", "category": "magnetism", "type": "standard", "teaser": "Convert milliteslas into teslas for electromagnetism work.", "labels": {"in1": "Millitesla", "in2": "Tesla"}, "factor": 0.001, "hidden": true},
@@ -1729,10 +1729,10 @@ export const calculators: CalculatorDef[] = [
   {"slug": "grains-to-troy-ounces", "name": "Grains to Troy Ounces", "category": "weight", "type": "standard", "teaser": "Blend grain counts into troy ounces for precious metals.", "labels": {"in1": "Grains", "in2": "Troy Ounces"}, "factor": 0.0020833333333333333},
   {"slug": "grains-to-yoctograms", "name": "Grains to Yoctograms", "category": "weight", "type": "standard", "teaser": "Push a grain\u2019s mass into yoctograms for extreme microscale reports.", "labels": {"in1": "Grains", "in2": "Yoctograms"}, "factor": 6.479891e+22},
   {"slug": "grains-to-zeptograms", "name": "Grains to Zeptograms", "category": "weight", "type": "standard", "teaser": "Continue down to zeptogram counts to highlight the minute mass.", "labels": {"in1": "Grains", "in2": "Zeptograms"}, "factor": 6.479891e+19},
-  {"slug": "grams-per-cubic-centimeter-to-grams-per-milliliter", "name": "Grams per cubic centimeter to Grams per Milliliter", "category": "fluids", "type": "standard", "teaser": "Recognize that 1 g/cm\u00b3 equals 1 g/mL for density clarity.", "labels": {"in1": "Grams per cubic centimeter", "in2": "Grams per Milliliter"}},
+  {"slug": "grams-per-cubic-centimeter-to-grams-per-milliliter", "name": "Grams per cubic centimeter to Grams per Milliliter", "category": "fluids", "type": "standard", "teaser": "Recognize that 1 g/cm\u00b3 equals 1 g/mL for density clarity.", "labels": {"in1": "Grams per cubic centimeter", "in2": "Grams per Milliliter"}, "factor": 1.0},
   {"slug": "grams-per-cubic-centimeter-to-kilograms-per-cubic-meter", "name": "Grams per cubic centimeter to Kilograms per Cubic Meter", "category": "fluids", "type": "standard", "teaser": "Convert grams per cubic centimeter into kg/m\u00b3 for engineering spec sheets.", "labels": {"in1": "Grams per cubic centimeter", "in2": "Kilograms per Cubic Meter"}, "factor": 1000.0},
   {"slug": "grams-per-cubic-centimeter-to-pounds-per-cubic-foot", "name": "Grams per cubic centimeter to Pounds per Cubic Foot", "category": "fluids", "type": "standard", "teaser": "Turn metric density into imperial pounds per cubic foot for building specs.", "labels": {"in1": "Grams per cubic centimeter", "in2": "Pounds per Cubic Foot"}, "factor": 62.4279605743},
-  {"slug": "grams-per-cubic-centimeter-to-kilograms-per-liter", "name": "Grams per cubic centimeter to Kilograms per liter", "category": "fluids", "type": "standard", "teaser": "A fluid density of 1 g/cm\u00b3 equals how many kg/L?", "labels": {"in1": "Grams per cubic centimeter", "in2": "Kilograms per liter"}},
+  {"slug": "grams-per-cubic-centimeter-to-kilograms-per-liter", "name": "Grams per cubic centimeter to Kilograms per liter", "category": "fluids", "type": "standard", "teaser": "A fluid density of 1 g/cm\u00b3 equals how many kg/L?", "labels": {"in1": "Grams per cubic centimeter", "in2": "Kilograms per liter"}, "factor": 1.0},
   {"slug": "grams-per-liter-to-milligrams-per-liter", "name": "Grams per liter to Milligrams per Liter", "category": "fluids", "type": "standard", "teaser": "Convert grams per liter into milligrams per liter for water-quality reporting.", "labels": {"in1": "Grams per liter", "in2": "Milligrams per Liter"}, "factor": 1000.0},
   {"slug": "grams-per-liter-to-molarity", "name": "Grams per liter to Molarity", "category": "fluids", "type": "standard", "teaser": "Turn a grams-per-liter reading into molarity when a molar mass is supplied.", "labels": {"in1": "Grams per liter", "in2": "Molarity"}},
   {"slug": "grams-per-liter-to-percent", "name": "Grams per liter / Percent", "category": "fluids", "type": "3col", "teaser": "Map grams per liter into mass percent when the solution density is known.", "labels": {"in1": "Grams per liter", "in2": "Percent", "in3": "Grams per liter / Percent"}},
@@ -1741,8 +1741,8 @@ export const calculators: CalculatorDef[] = [
   {"slug": "grams-per-liter-to-ppm", "name": "Grams per liter to Ppm", "category": "fluids", "type": "standard", "teaser": "Express grams per liter as parts per million for environmental windows.", "labels": {"in1": "Grams per liter", "in2": "Ppm"}, "factor": 1000.0},
   {"slug": "grams-per-liter-to-proof", "name": "Grams per liter / Proof", "category": "fluids", "type": "3col", "teaser": "Translate grams per liter into proof when alcohol density and ABV are known.", "labels": {"in1": "Grams per liter", "in2": "Proof", "in3": "Grams per liter / Proof"}},
   {"slug": "grams-per-milliliter-to-kilograms-per-cubic-meter", "name": "Grams per milliliter to Kilograms per cubic meter", "category": "fluids", "type": "standard", "teaser": "A solution at 1.2 g/mL corresponds to how many kg/m\u00b3?", "labels": {"in1": "Grams per milliliter", "in2": "Kilograms per cubic meter"}, "factor": 1000.0},
-  {"slug": "grams-per-milliliter-to-grams-per-cubic-centimeter", "name": "Grams per milliliter to Grams per Cubic Centimeter", "category": "fluids", "type": "standard", "teaser": "Since a milliliter equals a cubic centimeter, this is a 1:1 conversion.", "labels": {"in1": "Grams per milliliter", "in2": "Grams per Cubic Centimeter"}, "hidden": true},
+  {"slug": "grams-per-milliliter-to-grams-per-cubic-centimeter", "name": "Grams per milliliter to Grams per Cubic Centimeter", "category": "fluids", "type": "standard", "teaser": "Since a milliliter equals a cubic centimeter, this is a 1:1 conversion.", "labels": {"in1": "Grams per milliliter", "in2": "Grams per Cubic Centimeter"}, "hidden": true, "factor": 1.0},
-  {"slug": "grams-per-milliliter-to-kilograms-per-liter", "name": "Grams per milliliter to Kilograms per Liter", "category": "fluids", "type": "standard", "teaser": "Translate grams per milliliter into kilograms per liter for lab data sheets.", "labels": {"in1": "Grams per milliliter", "in2": "Kilograms per Liter"}},
+  {"slug": "grams-per-milliliter-to-kilograms-per-liter", "name": "Grams per milliliter to Kilograms per Liter", "category": "fluids", "type": "standard", "teaser": "Translate grams per milliliter into kilograms per liter for lab data sheets.", "labels": {"in1": "Grams per milliliter", "in2": "Kilograms per Liter"}, "factor": 1.0},
   {"slug": "grams-per-milliliter-to-pounds-per-cubic-foot", "name": "Grams per milliliter to Pounds per Cubic Foot", "category": "fluids", "type": "standard", "teaser": "Scale grams per milliliter into pounds per cubic foot for imperial references.", "labels": {"in1": "Grams per milliliter", "in2": "Pounds per Cubic Foot"}, "factor": 62.4279605743},
   {"slug": "grams-to-amu", "name": "Grams to Amu", "category": "weight", "type": "standard", "teaser": "Convert a gram into atomic mass units for precise reaction counts.", "labels": {"in1": "Grams", "in2": "Amu"}, "factor": 6.022140762081123e+23},
   {"slug": "grams-to-atomic-mass-units", "name": "Grams to Atomic Mass Units", "category": "weight", "type": "standard", "teaser": "Translate grams into atomic mass units when bridging scales.", "labels": {"in1": "Grams", "in2": "Atomic Mass Units"}, "factor": 6.022140762081123e+23},
@@ -1787,9 +1787,9 @@ export const calculators: CalculatorDef[] = [
   {"slug": "grams-to-pounds", "name": "Grams to Pounds", "category": "weight", "type": "standard", "teaser": "A container measures 200 grams; how many pounds does the load represent?", "labels": {"in1": "Grams", "in2": "Pounds"}, "factor": 0.00220462},
   {"slug": "grams-to-scruples", "name": "Grams to Scruples", "category": "weight", "type": "standard", "teaser": "A pharmacy formula needs 10 grams; what is that in scruples?", "labels": {"in1": "Grams", "in2": "Scruples"}, "factor": 0.771605, "hidden": true},
   {"slug": "grams-to-tolas", "name": "Grams to Tolas", "category": "weight", "type": "standard", "teaser": "A gold bar weighs 5 grams; how many tolas is that mass?", "labels": {"in1": "Grams", "in2": "Tolas"}, "factor": 0.085735},
-  {"slug": "gray-to-sievert", "name": "Gray to Sievert", "category": "radiation", "type": "standard", "teaser": "A gamma exposure is 3 gray; how many sieverts is that for gamma/beta?", "labels": {"in1": "Gray", "in2": "Sievert"}},
+  {"slug": "gray-to-sievert", "name": "Gray to Sievert", "category": "radiation", "type": "standard", "teaser": "A gamma exposure is 3 gray; how many sieverts is that for gamma/beta?", "labels": {"in1": "Gray", "in2": "Sievert"}, "factor": 1.0},
   {"slug": "fahrenheit-to-newton", "name": "Fahrenheit to Newton", "category": "force", "type": "standard", "teaser": "Convert Fahrenheit to Newtons on the scale where 0\u202f\u00b0C equals 0\u202f\u00b0N and 100\u202f\u00b0C equals 33\u202f\u00b0N.", "labels": {"in1": "Fahrenheit", "in2": "Newton"}, "factor": 0.183333, "offset": -5.867},
-  {"slug": "fahrenheit-to-rankine", "name": "Fahrenheit to Rankine", "category": "temperature", "type": "standard", "teaser": "Convert Fahrenheit to the absolute Rankine scale.", "labels": {"in1": "Fahrenheit", "in2": "Rankine"}, "offset": 459.67},
+  {"slug": "fahrenheit-to-rankine", "name": "Fahrenheit to Rankine", "category": "temperature", "type": "standard", "teaser": "Convert Fahrenheit to the absolute Rankine scale.", "labels": {"in1": "Fahrenheit", "in2": "Rankine"}, "offset": 459.67, "factor": 1.0},
   {"slug": "celsius-to-newton", "name": "Celsius to Newton (temp Scale)", "category": "temperature", "type": "standard", "teaser": "Convert Celsius into Newton's temperature scale (0\u202f\u00b0C \u2248 0\u202f\u00b0N, 100\u202f\u00b0C \u2248 33\u202f\u00b0N).", "labels": {"in1": "Celsius", "in2": "Newton (temp Scale)"}, "factor": 0.33, "offset": 0.0},
   {"slug": "delisle-to-fahrenheit", "name": "Delisle to Fahrenheit", "category": "temperature", "type": "standard", "teaser": "Turn antique Delisle readings into modern Fahrenheit.", "labels": {"in1": "Delisle", "in2": "Fahrenheit"}, "factor": -1.2, "offset": 212.0, "hidden": true},
   {"slug": "delisle-to-kelvin", "name": "Delisle to Kelvin", "category": "temperature", "type": "standard", "teaser": "Translate Delisle degrees into the Kelvin scale for absolute comparisons.", "labels": {"in1": "Delisle", "in2": "Kelvin"}, "factor": -0.666666666667, "offset": 373.15, "hidden": true},
@@ -1907,7 +1907,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "kpa-to-bar", "name": "kPa to Bar", "category": "pressure", "type": "standard", "teaser": "Convert kilopascals to bar.", "labels": {"in1": "kPa", "in2": "Bar"}, "factor": 0.01},
   {"slug": "kpa-to-pascal", "name": "kPa to Pascal", "category": "pressure", "type": "standard", "teaser": "Convert kilopascals to pascals.", "labels": {"in1": "kPa", "in2": "Pascal"}, "factor": 1000.0},
   {"slug": "kpa-to-psi", "name": "kPa to PSI", "category": "pressure", "type": "standard", "teaser": "Convert kilopascals to pounds per square inch.", "labels": {"in1": "kPa", "in2": "PSI"}, "factor": 0.1450377377, "hidden": true},
-  {"slug": "kva-to-kilowatts", "name": "kVA to Kilowatts", "category": "power", "type": "standard", "teaser": "Convert apparent power to real power assuming unity power factor.", "labels": {"in1": "kVA", "in2": "Kilowatts"}, "hidden": true},
+  {"slug": "kva-to-kilowatts", "name": "kVA to Kilowatts", "category": "power", "type": "standard", "teaser": "Convert apparent power to real power assuming unity power factor.", "labels": {"in1": "kVA", "in2": "Kilowatts"}, "hidden": true, "factor": 1.0},
   {"slug": "leagues-per-hour-to-kmh", "name": "Leagues per Hour to Kilometers per Hour", "category": "length", "type": "standard", "teaser": "Convert leagues per hour into kilometers per hour.", "labels": {"in1": "Leagues per Hour", "in2": "Kilometers per Hour"}, "factor": 4.82803},
   {"slug": "leagues-to-kilometers", "name": "Leagues to Kilometers", "category": "length", "type": "standard", "teaser": "Convert leagues to kilometers.", "labels": {"in1": "Leagues", "in2": "Kilometers"}, "factor": 4.82803},
   {"slug": "leagues-to-miles", "name": "Leagues to Miles", "category": "length", "type": "standard", "teaser": "Convert leagues to miles.", "labels": {"in1": "Leagues", "in2": "Miles"}, "factor": 3.0},
@@ -1919,12 +1919,12 @@ export const calculators: CalculatorDef[] = [
   {"slug": "long-tons-to-pounds", "name": "Long Tons to Pounds", "category": "weight", "type": "standard", "teaser": "Convert long tons to pounds.", "labels": {"in1": "Long Tons", "in2": "Pounds"}, "factor": 2240.0},
   {"slug": "long-tons-to-short-tons", "name": "Long Tons to Short Tons", "category": "weight", "type": "standard", "teaser": "Convert long tons to short tons.", "labels": {"in1": "Long Tons", "in2": "Short Tons"}, "factor": 1.12},
   {"slug": "lux-to-foot-candles", "name": "Lux to Foot-candles", "category": "light", "type": "standard", "teaser": "Convert illuminance from lux to foot-candles.", "labels": {"in1": "Lux", "in2": "Foot-candles"}, "factor": 0.09290304, "hidden": true},
-  {"slug": "candela-to-foot-candles", "name": "Candela to Foot-candles", "category": "light", "type": "standard", "teaser": "At 1 foot away, one candela yields one foot-candle of illuminance.", "labels": {"in1": "Candela", "in2": "Foot-candles"}},
+  {"slug": "candela-to-foot-candles", "name": "Candela to Foot-candles", "category": "light", "type": "standard", "teaser": "At 1 foot away, one candela yields one foot-candle of illuminance.", "labels": {"in1": "Candela", "in2": "Foot-candles"}, "factor": 1.0},
-  {"slug": "foot-candles-to-candela", "name": "Foot-candles to Candela", "category": "light", "type": "standard", "teaser": "Convert illuminance in foot-candles into a luminous intensity at 1 foot.", "labels": {"in1": "Foot-candles", "in2": "Candela"}, "hidden": true},
+  {"slug": "foot-candles-to-candela", "name": "Foot-candles to Candela", "category": "light", "type": "standard", "teaser": "Convert illuminance in foot-candles into a luminous intensity at 1 foot.", "labels": {"in1": "Foot-candles", "in2": "Candela"}, "hidden": true, "factor": 1.0},
   {"slug": "candela-to-lux-at-foot", "name": "Candela to Lux (1 ft)", "category": "light", "type": "standard", "teaser": "One candela at a 1-foot distance produces about 10.7639 lux on the target plane.", "labels": {"in1": "Candela", "in2": "Lux (1 ft)"}, "factor": 10.7639},
   {"slug": "lux-to-candela-at-foot", "name": "Lux to Candela (1 ft)", "category": "light", "type": "standard", "teaser": "Turn lux measured 1 foot away into the equivalent candela luminous intensity.", "labels": {"in1": "Lux", "in2": "Candela (1 ft)"}, "factor": 0.09290304},
-  {"slug": "candela-to-nits", "name": "Candela to Nits", "category": "light", "type": "standard", "teaser": "Treat 1 candela distributed over 1 square meter as 1 nit for comparing luminance.", "labels": {"in1": "Candela", "in2": "Nits"}},
+  {"slug": "candela-to-nits", "name": "Candela to Nits", "category": "light", "type": "standard", "teaser": "Treat 1 candela distributed over 1 square meter as 1 nit for comparing luminance.", "labels": {"in1": "Candela", "in2": "Nits"}, "factor": 1.0},
-  {"slug": "nits-to-candela", "name": "Nits to Candela", "category": "light", "type": "standard", "teaser": "Assume a 1-square-meter patch to convert nits into candela.", "labels": {"in1": "Nits", "in2": "Candela"}, "hidden": true},
+  {"slug": "nits-to-candela", "name": "Nits to Candela", "category": "light", "type": "standard", "teaser": "Assume a 1-square-meter patch to convert nits into candela.", "labels": {"in1": "Nits", "in2": "Candela"}, "hidden": true, "factor": 1.0},
   {"slug": "candela-to-candlepower", "name": "Candela to Candlepower", "category": "light", "type": "standard", "teaser": "Translate candela intensity into the legacy candlepower scale (1 cd \u2248 1.01937 cp).", "labels": {"in1": "Candela", "in2": "Candlepower"}, "factor": 1.019367},
   {"slug": "candlepower-to-candela", "name": "Candlepower to Candela", "category": "light", "type": "standard", "teaser": "Flip historical candlepower values back into modern candelas (1 cp \u2248 0.981 cd).", "labels": {"in1": "Candlepower", "in2": "Candela"}, "factor": 0.981, "hidden": true},
   {"slug": "candlepower-to-lumens", "name": "Candlepower to Lumens", "category": "light", "type": "standard", "teaser": "Treat candlepower as a luminous intensity, then multiply by 4\u03c0 to get flux.", "labels": {"in1": "Candlepower", "in2": "Lumens"}, "factor": 12.3269},
@@ -1943,12 +1943,12 @@ export const calculators: CalculatorDef[] = [
   {"slug": "nits-to-foot-lamberts", "name": "Nits to Foot-lamberts", "category": "other", "type": "standard", "teaser": "Translate luminance measured in nits into foot-lamberts.", "labels": {"in1": "Nits", "in2": "Foot-lamberts"}, "factor": 0.292, "hidden": true},
   {"slug": "phot-to-lux", "name": "Phot to Lux", "category": "light", "type": "standard", "teaser": "One phot equals 10,000 lux for film-lighting references.", "labels": {"in1": "Phot", "in2": "Lux"}, "factor": 10000.0},
   {"slug": "lux-to-phot", "name": "Lux to Phot", "category": "light", "type": "standard", "teaser": "Convert lux into phots to match old photographic light charts.", "labels": {"in1": "Lux", "in2": "Phot"}, "factor": 0.0001, "hidden": true},
-  {"slug": "phot-to-lamberts", "name": "Phot to Lamberts", "category": "other", "type": "standard", "teaser": "Phot and lambert coincide (1 phot = 1 lambert).", "labels": {"in1": "Phot", "in2": "Lamberts"}, "hidden": true},
+  {"slug": "phot-to-lamberts", "name": "Phot to Lamberts", "category": "other", "type": "standard", "teaser": "Phot and lambert coincide (1 phot = 1 lambert).", "labels": {"in1": "Phot", "in2": "Lamberts"}, "hidden": true, "factor": 1.0},
-  {"slug": "lamberts-to-phot", "name": "Lamberts to Phot", "category": "other", "type": "standard", "teaser": "Flip lamberts back into phots.", "labels": {"in1": "Lamberts", "in2": "Phot"}},
+  {"slug": "lamberts-to-phot", "name": "Lamberts to Phot", "category": "other", "type": "standard", "teaser": "Flip lamberts back into phots.", "labels": {"in1": "Lamberts", "in2": "Phot"}, "factor": 1.0},
   {"slug": "phot-to-foot-lamberts", "name": "Phot to Foot-lamberts", "category": "other", "type": "standard", "teaser": "One phot (10,000 lux) equals about 929 foot-lamberts.", "labels": {"in1": "Phot", "in2": "Foot-lamberts"}, "factor": 929.03},
   {"slug": "foot-lamberts-to-phot", "name": "Foot-lamberts to Phot", "category": "other", "type": "standard", "teaser": "Express foot-lamberts as phots (1 ft-L \u2248 0.0010764 phot).", "labels": {"in1": "Foot-lamberts", "in2": "Phot"}, "factor": 0.00107639, "hidden": true},
-  {"slug": "lumens-to-lux-per-square-meter", "name": "Lumens to Lux per square meter", "category": "fluids", "type": "standard", "teaser": "Spread lumens over 1 m\u00b2 to get lux.", "labels": {"in1": "Lumens", "in2": "Lux per square meter"}},
+  {"slug": "lumens-to-lux-per-square-meter", "name": "Lumens to Lux per square meter", "category": "fluids", "type": "standard", "teaser": "Spread lumens over 1 m\u00b2 to get lux.", "labels": {"in1": "Lumens", "in2": "Lux per square meter"}, "factor": 1.0},
-  {"slug": "lux-to-lumens-per-square-meter", "name": "Lux to Lumens per square meter", "category": "fluids", "type": "standard", "teaser": "Treat lux as lumens on each square meter.", "labels": {"in1": "Lux", "in2": "Lumens per square meter"}},
+  {"slug": "lux-to-lumens-per-square-meter", "name": "Lux to Lumens per square meter", "category": "fluids", "type": "standard", "teaser": "Treat lux as lumens on each square meter.", "labels": {"in1": "Lux", "in2": "Lumens per square meter"}, "factor": 1.0},
   {"slug": "foot-candles-to-phot", "name": "Foot-candles to Phot", "category": "other", "type": "standard", "teaser": "Convert foot-candles into phots via the 10,000 lux anchor.", "labels": {"in1": "Foot-candles", "in2": "Phot"}, "factor": 0.00107639, "hidden": true},
   {"slug": "phot-to-foot-candles", "name": "Phot to Foot-candles", "category": "other", "type": "standard", "teaser": "Express phots as foot-candles for practical light meter use.", "labels": {"in1": "Phot", "in2": "Foot-candles"}, "factor": 929.03},
   {"slug": "lumens-to-nits-per-square-meter", "name": "Lumens to Nits per square meter", "category": "fluids", "type": "standard", "teaser": "A lumen/m\u00b2 (lux) equals about 0.31831 nits under Lambertian lighting.", "labels": {"in1": "Lumens", "in2": "Nits per square meter"}, "factor": 0.318309886},
@@ -1973,7 +1973,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "metric-horsepower-to-watts", "name": "Metric Horsepower (PS) to Watts", "category": "power", "type": "standard", "teaser": "Convert metric horsepower into watts for European ratings.", "labels": {"in1": "Metric Horsepower (PS)", "in2": "Watts"}, "factor": 735.49875},
   {"slug": "metric-tons-to-kilograms", "name": "Metric Tons to Kilograms", "category": "weight", "type": "standard", "teaser": "Convert metric tons into kilograms for bulk weights.", "labels": {"in1": "Metric Tons", "in2": "Kilograms"}, "factor": 1000.0},
   {"slug": "metric-tons-to-pounds", "name": "Metric Tons to Pounds", "category": "weight", "type": "standard", "teaser": "Convert metric tons into pounds.", "labels": {"in1": "Metric Tons", "in2": "Pounds"}, "factor": 2204.62262},
-  {"slug": "mg-per-liter-to-ppm", "name": "mg/L to PPM", "category": "fluids", "type": "standard", "teaser": "Treat milligrams per liter as parts per million for dilute solutions.", "labels": {"in1": "mg/L", "in2": "PPM"}},
+  {"slug": "mg-per-liter-to-ppm", "name": "mg/L to PPM", "category": "fluids", "type": "standard", "teaser": "Treat milligrams per liter as parts per million for dilute solutions.", "labels": {"in1": "mg/L", "in2": "PPM"}, "factor": 1.0},
   {"slug": "microfarads-to-picofarads", "name": "Microfarads to Picofarads", "category": "radiation", "type": "standard", "teaser": "Convert microfarads to picofarads.", "labels": {"in1": "Microfarads", "in2": "Picofarads"}, "factor": 1000000.0},
   {"slug": "microhenries-to-millihenries", "name": "Microhenries to Millihenries", "category": "angle", "type": "standard", "teaser": "Convert inductance from microhenries to millihenries.", "labels": {"in1": "Microhenries", "in2": "Millihenries"}, "factor": 0.001, "hidden": true},
   {"slug": "microns-to-millimeters", "name": "Microns to Millimeters", "category": "length", "type": "standard", "teaser": "Convert microns (micrometers) to millimeters.", "labels": {"in1": "Microns", "in2": "Millimeters"}, "factor": 0.001, "hidden": true},
@@ -2203,7 +2203,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "radians-to-mils", "name": "Radians to Mils", "category": "angle", "type": "standard", "teaser": "Express radians as mils for precision shooting.", "labels": {"in1": "Radians", "in2": "Mils"}, "factor": 1000.0},
   {"slug": "radians-to-turns", "name": "Radians to Turns", "category": "angle", "type": "standard", "teaser": "Convert radians into turns of a circle.", "labels": {"in1": "Radians", "in2": "Turns"}, "factor": 0.15915494309189535},
   {"slug": "rankine-to-celsius", "name": "Rankine to Celsius", "category": "temperature", "type": "standard", "teaser": "Convert Rankine into Celsius degrees.", "labels": {"in1": "Rankine", "in2": "Celsius"}, "factor": 0.5555555555555556, "offset": -273.15},
-  {"slug": "rankine-to-fahrenheit", "name": "Rankine to Fahrenheit", "category": "temperature", "type": "standard", "teaser": "Show Rankine as Fahrenheit.", "labels": {"in1": "Rankine", "in2": "Fahrenheit"}, "offset": -459.67, "hidden": true},
+  {"slug": "rankine-to-fahrenheit", "name": "Rankine to Fahrenheit", "category": "temperature", "type": "standard", "teaser": "Show Rankine as Fahrenheit.", "labels": {"in1": "Rankine", "in2": "Fahrenheit"}, "offset": -459.67, "hidden": true, "factor": 1.0},
   {"slug": "rankine-to-kelvin", "name": "Rankine to Kelvin", "category": "temperature", "type": "standard", "teaser": "Turn Rankine into Kelvin.", "labels": {"in1": "Rankine", "in2": "Kelvin"}, "factor": 0.5555555555555556},
   {"slug": "rem-to-millisievert", "name": "Rem to Millisievert", "category": "angle", "type": "standard", "teaser": "Convert rems into millisieverts.", "labels": {"in1": "Rem", "in2": "Millisievert"}, "factor": 10.0},
   {"slug": "rem-to-rad", "name": "Rem to Rad", "category": "radiation", "type": "standard", "teaser": "Treat rems as rads with a 1:1 ratio.", "labels": {"in1": "Rem", "in2": "Rad"}, "factor": 1.0},
@@ -2267,8 +2267,8 @@ export const calculators: CalculatorDef[] = [
   {"slug": "moles-per-hour-to-moles-per-second", "name": "Moles per hour to Moles per second", "category": "other", "type": "standard", "teaser": "Return molar flow rates back to per-second units.", "labels": {"in1": "Moles per hour", "in2": "Moles per second"}, "factor": 0.0002777778, "hidden": true},
   {"slug": "kilograms-per-second-per-square-meter-to-grams-per-second-per-square-centimeter", "name": "Kilograms per second per square meter to Grams per second per square centimeter", "category": "other", "type": "standard", "teaser": "Express mass flux density using metric subunits.", "labels": {"in1": "Kilograms per second per square meter", "in2": "Grams per second per square centimeter"}, "factor": 0.1, "hidden": true},
   {"slug": "grams-per-second-per-square-centimeter-to-kilograms-per-second-per-square-meter", "name": "Grams per second per square centimeter to Kilograms per second per square meter", "category": "other", "type": "standard", "teaser": "Convert compact mass flux into the SI-friendly base.", "labels": {"in1": "Grams per second per square centimeter", "in2": "Kilograms per second per square meter"}, "factor": 10.0},
-  {"slug": "mol-per-cubic-meter-to-mmol-per-liter", "name": "Mol per cubic meter to mmol per liter", "category": "fluids", "type": "standard", "teaser": "Translate molar concentrations across common volume units.", "labels": {"in1": "Mol per cubic meter", "in2": "mmol per liter"}, "hidden": true},
+  {"slug": "mol-per-cubic-meter-to-mmol-per-liter", "name": "Mol per cubic meter to mmol per liter", "category": "fluids", "type": "standard", "teaser": "Translate molar concentrations across common volume units.", "labels": {"in1": "Mol per cubic meter", "in2": "mmol per liter"}, "hidden": true, "factor": 1.0},
-  {"slug": "mmol-per-liter-to-mol-per-cubic-meter", "name": "mmol per liter to mol per cubic meter", "category": "fluids", "type": "standard", "teaser": "Convert molar concentration back into SI cubic meters.", "labels": {"in1": "mmol per liter", "in2": "mol per cubic meter"}},
+  {"slug": "mmol-per-liter-to-mol-per-cubic-meter", "name": "mmol per liter to mol per cubic meter", "category": "fluids", "type": "standard", "teaser": "Convert molar concentration back into SI cubic meters.", "labels": {"in1": "mmol per liter", "in2": "mol per cubic meter"}, "factor": 1.0},
   {"slug": "percent-by-mass-to-ppm", "name": "Percent by mass to ppm", "category": "other", "type": "standard", "teaser": "Turn mass-percent concentrations into parts-per-million.", "labels": {"in1": "Percent by mass", "in2": "ppm"}, "factor": 10000.0},
   {"slug": "ppm-to-percent-by-mass", "name": "ppm to Percent by mass", "category": "other", "type": "standard", "teaser": "Return ppm values to mass-percent.", "labels": {"in1": "ppm", "in2": "Percent by mass"}, "factor": 0.0001, "hidden": true},
   {"slug": "pascal-second-to-poise", "name": "Pascal-second to Poise", "category": "pressure", "type": "standard", "teaser": "Convert SI dynamic viscosity into CGS poise.", "labels": {"in1": "Pascal-second", "in2": "Poise"}, "factor": 10.0},
@@ -2277,8 +2277,8 @@ export const calculators: CalculatorDef[] = [
   {"slug": "centistokes-to-square-meter-per-second", "name": "Centistokes to Square meter per second", "category": "other", "type": "standard", "teaser": "Return centistokes back to base square meters per second.", "labels": {"in1": "Centistokes", "in2": "Square meter per second"}, "factor": 0.01, "hidden": true},
   {"slug": "newton-per-meter-to-dyne-per-centimeter", "name": "Newton per meter to Dyne per centimeter", "category": "force", "type": "standard", "teaser": "Express surface tension on the CGS scale.", "labels": {"in1": "Newton per meter", "in2": "Dyne per centimeter"}, "factor": 1000.0},
   {"slug": "dyne-per-centimeter-to-newton-per-meter", "name": "Dyne per centimeter to Newton per meter", "category": "force", "type": "standard", "teaser": "Convert surface tension back into SI.", "labels": {"in1": "Dyne per centimeter", "in2": "Newton per meter"}, "factor": 0.001, "hidden": true},
-  {"slug": "henry-per-meter-to-tesla-meter-per-ampere", "name": "Henry per meter to Tesla-meter per ampere", "category": "magnetism", "type": "standard", "teaser": "Equate magnetic permeability units across SI conventions.", "labels": {"in1": "Henry per meter", "in2": "Tesla-meter per ampere"}},
+  {"slug": "henry-per-meter-to-tesla-meter-per-ampere", "name": "Henry per meter to Tesla-meter per ampere", "category": "magnetism", "type": "standard", "teaser": "Equate magnetic permeability units across SI conventions.", "labels": {"in1": "Henry per meter", "in2": "Tesla-meter per ampere"}, "factor": 1.0},
-  {"slug": "tesla-meter-per-ampere-to-henry-per-meter", "name": "Tesla-meter per ampere to Henry per meter", "category": "magnetism", "type": "standard", "teaser": "Return permeability back to henry per meter.", "labels": {"in1": "Tesla-meter per ampere", "in2": "Henry per meter"}, "hidden": true},
+  {"slug": "tesla-meter-per-ampere-to-henry-per-meter", "name": "Tesla-meter per ampere to Henry per meter", "category": "magnetism", "type": "standard", "teaser": "Return permeability back to henry per meter.", "labels": {"in1": "Tesla-meter per ampere", "in2": "Henry per meter"}, "hidden": true, "factor": 1.0},
   {"slug": "yards-per-second-to-centimeters-per-second", "name": "Yards Per Second to Centimeters Per Second", "category": "speed", "type": "standard", "teaser": "Express yards-per-second speeds as centimeters per second.", "labels": {"in1": "Yards Per Second", "in2": "Centimeters Per Second"}, "factor": 91.44},
   {"slug": "yards-per-second-to-feet-per-second", "name": "Yards Per Second to Feet Per Second", "category": "speed", "type": "standard", "teaser": "Convert yards per second into feet per second for incremental comparisons.", "labels": {"in1": "Yards Per Second", "in2": "Feet Per Second"}, "factor": 3.0},
   {"slug": "yards-per-second-to-furlongs-per-fortnight", "name": "Yards Per Second to Furlongs Per Fortnight", "category": "speed", "type": "standard", "teaser": "Turn yards-per-second pacing into furlongs per fortnight for playful analogies.", "labels": {"in1": "Yards Per Second", "in2": "Furlongs Per Fortnight"}, "factor": 5498.181818181818},
@@ -2368,7 +2368,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "em-to-pixels", "name": "Em to Pixels", "category": "other", "type": "standard", "teaser": "Convert CSS em units to pixels assuming a 16px base size.", "labels": {"in1": "Em", "in2": "Pixels"}, "factor": 16.0},
   {"slug": "ev-to-lux", "name": "EV (exposure value) to Lux", "category": "light", "type": "ev-lux", "teaser": "Estimate scene illuminance at ISO 100.", "labels": {"in1": "EV (exposure value)", "in2": "Lux"}},
   {"slug": "lux-to-ev", "name": "Lux to EV", "category": "light", "type": "ev-lux", "teaser": "Convert lux readings to exposure value at ISO 100.", "labels": {"in1": "Lux", "in2": "EV"}, "hidden": true},
-  {"slug": "f-stops-to-t-stops", "name": "f-stops to T-stops", "category": "other", "type": "standard", "teaser": "Treat f-number as t-stop under ideal transmission.", "labels": {"in1": "f-stops", "in2": "T-stops"}},
+  {"slug": "f-stops-to-t-stops", "name": "f-stops to T-stops", "category": "other", "type": "standard", "teaser": "Treat f-number as t-stop under ideal transmission.", "labels": {"in1": "f-stops", "in2": "T-stops"}, "factor": 1.0},
   {"slug": "focal-length-to-angle-of-view", "name": "Focal length to Angle of view", "category": "other", "type": "aov", "teaser": "Approximate horizontal angle on 35mm full-frame (36mm width).", "labels": {"in1": "Focal length", "in2": "Angle of view"}},
   {"slug": "millimeters-to-awg", "name": "Millimeters to AWG", "category": "electrical", "type": "awg", "teaser": "Convert conductor diameter in millimeters to AWG gauge.", "labels": {"in1": "Millimeters", "in2": "AWG"}},
   {"slug": "molarity-to-grams-per-liter", "name": "Molarity to Grams per liter", "category": "other", "type": "molarity", "teaser": "Convert molar concentration to grams per liter using molar mass.", "labels": {"in1": "Molarity (mol/L)", "in2": "Grams per liter", "in3": "Molar mass (g/mol)"}, "hidden": true},
@@ -2684,7 +2684,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "barye-to-atmosphere", "name": "Barye to Atmosphere", "category": "pressure", "type": "standard", "labels": {"in1": "Barye", "in2": "Atmosphere"}, "factor": 9.86923266716013e-07},
   {"slug": "barye-to-bar", "name": "Barye to Bar", "category": "pressure", "type": "standard", "labels": {"in1": "Barye", "in2": "Bar"}, "factor": 1e-06, "hidden": true},
   {"slug": "barye-to-cmhg", "name": "Barye to Cmhg", "category": "pressure", "type": "standard", "labels": {"in1": "Barye", "in2": "Cmhg"}, "factor": 7.500637554192107e-05},
-  {"slug": "barye-to-dynes-per-sq-cm", "name": "Barye to Dynes Per Sq Cm", "category": "pressure", "type": "standard", "labels": {"in1": "Barye", "in2": "Dynes Per Sq Cm"}},
+  {"slug": "barye-to-dynes-per-sq-cm", "name": "Barye to Dynes Per Sq Cm", "category": "pressure", "type": "standard", "labels": {"in1": "Barye", "in2": "Dynes Per Sq Cm"}, "factor": 1.0},
   {"slug": "barye-to-feet-of-seawater", "name": "Barye to Feet Of Seawater", "category": "length", "type": "standard", "labels": {"in1": "Barye", "in2": "Feet Of Seawater"}, "factor": 3.2594581222958305e-05},
   {"slug": "barye-to-feet-of-water", "name": "Barye to Feet Of Water", "category": "length", "type": "standard", "labels": {"in1": "Barye", "in2": "Feet Of Water"}, "factor": 3.349601334800432e-05, "hidden": true},
   {"slug": "barye-to-hectopascals", "name": "Barye to Hectopascals", "category": "pressure", "type": "standard", "labels": {"in1": "Barye", "in2": "Hectopascals"}, "factor": 0.001, "hidden": true},
@@ -2941,7 +2941,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "inch-pounds-to-dyne-centimeters", "name": "Inch-pounds to Dyne-centimeters", "category": "energy", "type": "standard", "teaser": "Express inch-pound torque as dyne-centimeters for CGS-friendly references.", "labels": {"in1": "Inch-pounds", "in2": "Dyne-centimeters"}, "factor": 1129848.2902762},
   {"slug": "dynes-per-sq-cm-to-atmosphere", "name": "Dynes Per Sq Cm to Atmosphere", "category": "pressure", "type": "standard", "labels": {"in1": "Dynes Per Sq Cm", "in2": "Atmosphere"}, "factor": 9.86923266716013e-07, "hidden": true},
   {"slug": "dynes-per-sq-cm-to-bar", "name": "Dynes Per Sq Cm to Bar", "category": "pressure", "type": "standard", "labels": {"in1": "Dynes Per Sq Cm", "in2": "Bar"}, "factor": 1e-06, "hidden": true},
-  {"slug": "dynes-per-sq-cm-to-barye", "name": "Dynes Per Sq Cm to Barye", "category": "pressure", "type": "standard", "labels": {"in1": "Dynes Per Sq Cm", "in2": "Barye"}, "hidden": true},
+  {"slug": "dynes-per-sq-cm-to-barye", "name": "Dynes Per Sq Cm to Barye", "category": "pressure", "type": "standard", "labels": {"in1": "Dynes Per Sq Cm", "in2": "Barye"}, "hidden": true, "factor": 1.0},
   {"slug": "dynes-per-sq-cm-to-cmhg", "name": "Dynes Per Sq Cm to Cmhg", "category": "pressure", "type": "standard", "labels": {"in1": "Dynes Per Sq Cm", "in2": "Cmhg"}, "factor": 7.500637554192107e-05},
   {"slug": "dynes-per-sq-cm-to-feet-of-seawater", "name": "Dynes Per Sq Cm to Feet Of Seawater", "category": "pressure", "type": "standard", "labels": {"in1": "Dynes Per Sq Cm", "in2": "Feet Of Seawater"}, "factor": 3.2594581222958305e-05},
   {"slug": "dynes-per-sq-cm-to-feet-of-water", "name": "Dynes Per Sq Cm to Feet Of Water", "category": "pressure", "type": "standard", "labels": {"in1": "Dynes Per Sq Cm", "in2": "Feet Of Water"}, "factor": 3.349601334800432e-05, "hidden": true},

tests/test_gauss_to_oersted_conversion_rate.py

@@ -9,6 +9,9 @@ CONVERSION_RATE_UTIL = ROOT / "hdyc-svelte" / "src" / "lib" / "utils" / "convers
 CATEGORY_PAGE = ROOT / "hdyc-svelte" / "src" / "routes" / "category" / "[category]" / "+page.svelte"
 CALCULATOR_COMPONENT = ROOT / "hdyc-svelte" / "src" / "lib" / "components" / "Calculator.svelte"
 TARGET_SLUG = "gauss-to-oersted"
+NON_APPLICABLE_TWO_INPUT_STANDARD_SLUGS = {
+    "grams-per-liter-to-molarity",
+}
 
 
 def _extract_calculator_block(slug: str) -> str:
@@ -38,6 +41,28 @@ class GaussToOerstedConversionRateRegressionTests(unittest.TestCase):
         self.assertIn("conversionRateText = getConversionRateText(config)", calculator_component_text)
         self.assertIn('<span class="formula-hint">', calculator_component_text)
 
+    def test_all_applicable_two_input_standard_calculators_have_factors(self) -> None:
+        missing_factors: list[str] = []
+        for line in CALCULATORS_TS.read_text(encoding="utf-8").splitlines():
+            if '"type": "standard"' not in line:
+                continue
+            if '"labels": {"in1":' not in line or '"in2":' not in line or '"in3":' in line:
+                continue
+            slug_match = re.search(r'"slug": "([^"]+)"', line)
+            if not slug_match:
+                continue
+            slug = slug_match.group(1)
+            if slug in NON_APPLICABLE_TWO_INPUT_STANDARD_SLUGS:
+                continue
+            if '"factor":' not in line:
+                missing_factors.append(slug)
+
+        self.assertEqual(
+            missing_factors,
+            [],
+            f"Two-input standard calculators missing factors (and therefore conversion-rate text): {missing_factors}",
+        )
+
 
 if __name__ == "__main__":
     unittest.main()