Add next 40 calculators

calculators_list.md

@@ -866,6 +866,46 @@ The registry currently contains 416 unique calculator slugs.
 | Celsius to Delisle – Flip Celsius into the Delisle scale for historical references. | celsius-to-delisle | Linear Offset (-1.5x + 150) |
 | Celsius to Kelvin – Add the offset to move from Celsius into Kelvin. | celsius-to-kelvin | Linear Offset (1x + 273.15) |
 | Celsius to Rankine – Express Celsius temperatures as Rankine degrees. | celsius-to-rankine | Linear Offset (1.8x + 491.67) |
+| Sievert to Gray – Convert sievert exposures into energy-absorption grays for gamma/beta radiation. | sievert-to-gray | 1 |
+| Smoots to Meters – Translate historic smoot measurements into meters for consistent distances. | smoots-to-meters | 1.7018 |
+| Solar luminosities to Watts – Express a star’s luminosity in watts for energy output comparisons. | solar-luminosities-to-watts | 3.828e26 |
+| Solar masses to Kilograms – Convert solar masses into kilograms for astrophysical mass checks. | solar-masses-to-kilograms | 1.98847e30 |
+| Solar radii to Kilometers – Translate a solar radius into kilometers when sizing stars. | solar-radii-to-kilometers | 695700 |
+| Speed of Light (c) to Kilometers per Second – Reflect the speed of light in km/s for high-speed references. | speed-of-light-to-kilometers-per-second | 299792.458 |
+| Square meters to Ares – Convert square meters into ares for metric land surveying. | square-meters-to-ares | 0.01 |
+| Square meters to Barns – Convert area into barns for particle physics cross-sections. | square-meters-to-barns | 1e28 |
+| Square mils to Circular mils – Turn square mils into circular mils used for conductor sizing. | square-mils-to-circular-mils | 1.273239544735163 |
+| Statamperes to Amperes – Translate CGS statamperes into modern amperes. | statamperes-to-amperes | 0.333564095 |
+| Statvolts to Volts – Express CGS statvolts as volts for voltage comparisons. | statvolts-to-volts | 299.792458 |
+| Tebibytes to Terabytes – Convert binary tebibytes into decimal terabytes for storage listings. | tebibytes-to-terabytes | 1.09951162778 |
+| Technical atmosphere (at) to Pascal – Convert technical atmospheres into pascals for pressure specs. | technical-atmosphere-to-pascal | 98066.5 |
+| Terabytes to Megabytes – Turn terabytes into megabytes for tiered storage math. | terabytes-to-megabytes | 1000000 |
+| Terabytes to Tebibytes – Express decimal terabytes as binary tebibytes. | terabytes-to-tebibytes | 0.90949470177 |
+| Thou to Millimeters – Translate thou (mil) measurements into millimeters for precision machining. | thou-to-millimeters | 0.0254 |
+| Thou to Inches – Convert thou (mil) measurements into inches for shop math. | thou-to-inches | 0.001 |
+| Tolas to Grams – Turn traditional tolas into grams when weighing precious metals. | tolas-to-grams | 11.6638038 |
+| Torr to mmHg – Relate torr to millimeters of mercury for vacuum work. | torr-to-mmhg | 1 |
+| Townships to Square Miles – Convert survey townships into square miles. | townships-to-square-miles | 36 |
+| Troy Ounces to Ounces – Translate troy ounces into avoirdupois ounces for bullion. | troy-ounces-to-ounces | 1.097142857 |
+| Troy Ounces to Pennyweights – Convert troy ounces into pennyweights for numismatic work. | troy-ounces-to-pennyweights | 20 |
+| Turns to Degrees – Convert full turns into degrees for circular motion math. | turns-to-degrees | 360 |
+| Turns to Radians – Express full turns as radians for engineering. | turns-to-radians | 6.283185307179586 |
+| UK mpg to US mpg – Compare British and US fuel economy numbers. | uk-mpg-to-us-mpg | 1.20095 |
+| US mpg to UK mpg – Flip US miles per gallon into UK mpg for international comparisons. | us-mpg-to-uk-mpg | 0.832674 |
+| Volts to Millivolts – Scale volts into millivolts for control signals. | volts-to-millivolts | 1000 |
+| Watt-hours to Calories – Convert watt-hours into food calories for energy budgets. | watt-hours-to-calories | 860.42065 |
+| Watts to Calories per Second – Translate watts into calories per second for nutrition math. | watts-to-calories-per-second | 0.2388458966 |
+| Watts to Kilowatts – Express watts as kilowatts for appliance specs. | watts-to-kilowatts | 0.001 |
+| Watts to Metric Horsepower – Convert watts into metric horsepower (PS) for vehicle specs. | watts-to-metric-horsepower | 0.00135962162 |
+| Watts to Milliwatts – Scale watts down to milliwatts. | watts-to-milliwatts | 1000 |
+| Weber to Maxwell – Express webers as maxwells for magnetic flux reports. | weber-to-maxwell | 100000000 |
+| Wh per km to Wh per mile – Convert EV efficiency from km to mile units. | wh-per-km-to-wh-per-mile | 1.609344 |
+| Wh per mile to Wh per km – Express US efficiency numbers as kilometers-based metrics. | wh-per-mile-to-wh-per-km | 0.621371 |
+| Yards per second to Kilometers per hour – Convert yard/second speeds into km/h for international racing. | yards-per-second-to-kilometers-per-hour | 3.29184 |
+| Yards per second to Miles per hour – Translate yard/second speeds into mph for track timing. | yards-per-second-to-miles-per-hour | 2.04528544 |
+| Yards to Centimeters – Convert yards into centimeters for sewing and textiles. | yards-to-centimeters | 91.44 |
+| Yards to Feet – Turn yards into feet for carpentry math. | yards-to-feet | 3 |
+| Yards to Inches – Convert yards into inches for finer measurements. | yards-to-inches | 36 |
 
 ## Completion Checklist
 - [x] Inches to Feet (`inches-to-feet`)
@@ -2165,12 +2205,12 @@ The registry currently contains 416 unique calculator slugs.
 - [x] Short Tons to Long Tons (`short-tons-to-long-tons`)
 - [x] Short Tons to Metric Tons (`short-tons-to-metric-tons`)
 - [x] Sidereal days to Solar days (`sidereal-days-to-solar-days`)
-- [ ] Sievert to Gray
+- [x] Sievert to Gray
-- [ ] Smoots to Meters
+- [x] Smoots to Meters
-- [ ] Solar luminosities to Watts
+- [x] Solar luminosities to Watts
-- [ ] Solar masses to Kilograms
+- [x] Solar masses to Kilograms
-- [ ] Solar radii to Kilometers
+- [x] Solar radii to Kilometers
-- [ ] Speed of Light (c) to km/s
+- [x] Speed of Light (c) to km/s
 - [ ] Square Centimeters to Square Meters
 - [ ] Square Feet to Square Inches
 - [ ] Square Feet to Square Yards
@@ -2179,8 +2219,8 @@ The registry currently contains 416 unique calculator slugs.
 - [ ] Square Kilometers to Hectares
 - [ ] Square Kilometers to Square Miles
 - [ ] Square Meters to Acres
-- [ ] Square meters to Ares
+- [x] Square meters to Ares
-- [ ] Square meters to Barns
+- [x] Square meters to Barns
 - [ ] Square Meters to Hectares
 - [ ] Square Meters to Square Centimeters
 - [ ] Square Meters to Square Yards
@@ -2188,13 +2228,13 @@ The registry currently contains 416 unique calculator slugs.
 - [ ] Square Miles to Square Feet
 - [ ] Square Miles to Square Kilometers
 - [ ] Square Miles to Square Meters
-- [ ] Square mils to Circular mils
+- [x] Square mils to Circular mils
 - [ ] Square Yards to Acres
 - [ ] Square Yards to Square Feet
 - [ ] Square Yards to Square Inches
 - [ ] Square Yards to Square Meters
-- [ ] Statamperes to Amperes
+- [x] Statamperes to Amperes
-- [ ] Statvolts to Volts
+- [x] Statvolts to Volts
 - [ ] Sticks of Butter to Cups
 - [ ] Sticks of Butter to Tablespoons
 - [ ] Stokes to Centistokes
@@ -2207,19 +2247,19 @@ The registry currently contains 416 unique calculator slugs.
 - [x] Teaspoons to Cups
 - [x] Teaspoons to Fluid Ounces
 - [x] Teaspoons to Tablespoons
-- [ ] Tebibytes to Terabytes
+- [x] Tebibytes to Terabytes
-- [ ] Technical atmosphere (at) to Pascal
+- [x] Technical atmosphere (at) to Pascal
-- [ ] Terabytes to Megabytes
+- [x] Terabytes to Megabytes
-- [ ] Terabytes to Tebibytes
+- [x] Terabytes to Tebibytes
 - [ ] Tesla to Gauss
 - [ ] Tesla to Milligauss
 - [ ] Tesla to Millitesla
 - [ ] Tex to Denier
 - [ ] Therms to BTU
 - [ ] Therms to Kilowatt-hours
-- [ ] Thou (mil) to Millimeters
+- [x] Thou (mil) to Millimeters
-- [ ] Thou to Inches
+- [x] Thou to Inches
-- [ ] Tolas to Grams
+- [x] Tolas to Grams
 - [ ] Ton of TNT to Joules
 - [ ] Tons of Refrigeration to BTU/hour
 - [ ] Tons of Refrigeration to Horsepower
@@ -2227,40 +2267,40 @@ The registry currently contains 416 unique calculator slugs.
 - [ ] Torr to Bar
 - [ ] Torr to cmHg
 - [ ] Torr to kPa
-- [ ] Torr to mmHg
+- [x] Torr to mmHg
 - [ ] Torr to PSI
-- [ ] Townships to Square miles
+- [x] Townships to Square miles
-- [ ] Troy Ounces to Ounces
+- [x] Troy Ounces to Ounces
-- [ ] Troy Ounces to Pennyweights
+- [x] Troy Ounces to Pennyweights
-- [ ] Turns to Degrees
+- [x] Turns to Degrees
-- [ ] Turns to Radians
+- [x] Turns to Radians
-- [ ] UK mpg to US mpg
+- [x] UK mpg to US mpg
 - [ ] US gallons to Imperial gallons
-- [ ] US mpg to UK mpg
+- [x] US mpg to UK mpg
 - [ ] Vickers to Rockwell C
-- [ ] Volts to Millivolts
+- [x] Volts to Millivolts
 - [ ] Watt-hours to Ampere-hours
-- [ ] Watt-hours to Calories
+- [x] Watt-hours to Calories
 - [ ] Watt-hours to Joules
 - [ ] Watts to Boiler Horsepower
 - [ ] Watts to BTU/min
-- [ ] Watts to Calories per second
+- [x] Watts to Calories per second
-- [ ] Watts to Kilowatts
+- [x] Watts to Kilowatts
-- [ ] Watts to Metric Horsepower (PS)
+- [x] Watts to Metric Horsepower (PS)
-- [ ] Watts to Milliwatts
+- [x] Watts to Milliwatts
 - [ ] Watts to Volts
-- [ ] Weber to Maxwell
+- [x] Weber to Maxwell
 - [x] Weeks to Days
 - [x] Weeks to Hours
-- [ ] Wh per km to Wh per mile
+- [x] Wh per km to Wh per mile
-- [ ] Wh per mile to Wh per km
+- [x] Wh per mile to Wh per km
 - [x] Words (16-bit) to Bytes (`words-16-bit-to-bytes`)
 - [x] Words (32-bit) to Bytes (`words-32-bit-to-bytes`)
-- [ ] Yards per second to Kilometers per hour
+- [x] Yards per second to Kilometers per hour
-- [ ] Yards per second to Miles per hour
+- [x] Yards per second to Miles per hour
-- [ ] Yards to Centimeters
+- [x] Yards to Centimeters
-- [ ] Yards to Feet
+- [x] Yards to Feet
-- [ ] Yards to Inches
+- [x] Yards to Inches
 - [ ] Yards to Kilometers
 - [ ] Yards to Miles
 - [ ] Years to Centuries

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

@@ -70,7 +70,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "pascal-to-megapascals", "name": "Pascal to Megapascals", "category": "pressure", "type": "standard", "teaser": "Express pascals as megapascals.", "labels": {"in1": "Pascal", "in2": "Megapascals"}, "factor": 1e-06, "hidden": true},
   {"slug": "pascal-to-mmhg", "name": "Pascal to mmHg", "category": "pressure", "type": "standard", "teaser": "Turn pascals into millimeters of mercury.", "labels": {"in1": "Pascal", "in2": "mmHg"}, "factor": 0.00750062},
   {"slug": "pascal-to-psi", "name": "Pascal to PSI", "category": "pressure", "type": "standard", "teaser": "Convert pascals to pounds per square inch.", "labels": {"in1": "Pascal", "in2": "PSI"}, "factor": 0.000145038, "hidden": true},
-  {"slug": "pascal-to-technical-atmosphere", "name": "Pascal to Technical atmosphere", "category": "pressure", "type": "standard", "teaser": "Convert pascals to technical atmospheres (kgf/cm\u00b2).", "labels": {"in1": "Pascal", "in2": "Technical atmosphere"}, "factor": 1.0197162e-05},
+  {"slug": "pascal-to-technical-atmosphere", "name": "Pascal to Technical atmosphere", "category": "pressure", "type": "standard", "teaser": "Convert pascals to technical atmospheres (kgf/cm\u00b2).", "labels": {"in1": "Pascal", "in2": "Technical atmosphere"}, "factor": 1.0197162e-05, "hidden": true},
   {"slug": "pascal-to-torr", "name": "Pascal to Torr", "category": "pressure", "type": "standard", "teaser": "Convert pascals into torr for vacuum work.", "labels": {"in1": "Pascal", "in2": "Torr"}, "factor": 0.00750062, "hidden": true},
   {"slug": "pascal-seconds-to-centipoise", "name": "Pascal-seconds to Centipoise", "category": "pressure", "type": "standard", "teaser": "Convert Pascal-second viscosity into centipoise.", "labels": {"in1": "Pascal-seconds", "in2": "Centipoise"}, "factor": 1000.0},
   {"slug": "poise-to-pascal-seconds", "name": "Poise to Pascal-seconds", "category": "pressure", "type": "standard", "teaser": "Express CGS poise viscosity in Pascal-seconds.", "labels": {"in1": "Poise", "in2": "Pascal-seconds"}, "factor": 0.1},
@@ -267,7 +267,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "ounces-to-grains", "name": "Ounces to Grains", "category": "weight", "type": "standard", "teaser": "Convert avoirdupois ounces into grains.", "labels": {"in1": "Ounces", "in2": "Grains"}, "factor": 437.5},
   {"slug": "ounces-to-kilograms", "name": "Ounces to Kilograms", "category": "weight", "type": "standard", "teaser": "Express avoirdupois ounces in kilograms.", "labels": {"in1": "Ounces", "in2": "Kilograms"}, "factor": 0.0283495},
   {"slug": "ounces-to-milligrams", "name": "Ounces to Milligrams", "category": "weight", "type": "standard", "teaser": "Move ounces into milligram measurements.", "labels": {"in1": "Ounces", "in2": "Milligrams"}, "factor": 28349.523125},
-  {"slug": "ounces-to-troy-ounces", "name": "Ounces to Troy Ounces", "category": "weight", "type": "standard", "teaser": "Convert avoirdupois ounces into troy ounces.", "labels": {"in1": "Ounces", "in2": "Troy Ounces"}, "factor": 0.9114583333333333},
+  {"slug": "ounces-to-troy-ounces", "name": "Ounces to Troy Ounces", "category": "weight", "type": "standard", "teaser": "Convert avoirdupois ounces into troy ounces.", "labels": {"in1": "Ounces", "in2": "Troy Ounces"}, "factor": 0.9114583333333333, "hidden": true},
   {"slug": "kilogram-force-meters-to-dyne-centimeters", "name": "Kilogram-force Meters to Dyne-centimeters", "category": "force", "type": "standard", "teaser": "Flip kilogram-force meters back into dyne-centimeters.", "labels": {"in1": "Kilogram-force Meters", "in2": "Dyne-centimeters"}, "factor": 98066500.0},
   {"slug": "kilogram-force-meters-to-foot-pounds", "name": "Kilogram-force Meters to Foot-pounds", "category": "force", "type": "standard", "teaser": "Express a kilogram-force meter as foot-pounds of torque.", "labels": {"in1": "Kilogram-force Meters", "in2": "Foot-pounds"}, "factor": 7.233013851209897},
   {"slug": "kilogram-force-meters-to-inch-pounds", "name": "Kilogram-force Meters to Inch-pounds", "category": "force", "type": "standard", "teaser": "Turn a kilogram-force meter into inch-pounds.", "labels": {"in1": "Kilogram-force Meters", "in2": "Inch-pounds"}, "factor": 86.79616621451876},
@@ -301,7 +301,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "millimeters-to-microns", "name": "Millimeters to Microns", "category": "length", "type": "standard", "labels": {"in1": "Millimeters", "in2": "Microns"}, "factor": 1000.0},
   {"slug": "femtograms-to-attograms", "name": "Femtograms to Attograms", "category": "weight", "type": "standard", "labels": {"in1": "Femtograms", "in2": "Attograms"}, "factor": 1000.0},
   {"slug": "gigabytes-to-terabytes", "name": "Gigabytes to Terabytes", "category": "data", "type": "standard", "labels": {"in1": "Gigabytes", "in2": "Terabytes"}, "factor": 0.001, "hidden": true},
-  {"slug": "maxwell-to-weber", "name": "Maxwell to Weber", "category": "other", "type": "standard", "teaser": "Convert CGS magnetic flux (maxwell) into SI webers.", "labels": {"in1": "Maxwell", "in2": "Weber"}, "factor": 1e-08},
+  {"slug": "maxwell-to-weber", "name": "Maxwell to Weber", "category": "other", "type": "standard", "teaser": "Convert CGS magnetic flux (maxwell) into SI webers.", "labels": {"in1": "Maxwell", "in2": "Weber"}, "factor": 1e-08, "hidden": true},
   {"slug": "mbps-to-gbps", "name": "Mbps to Gbps", "category": "other", "type": "standard", "teaser": "Convert megabits per second into gigabits per second.", "labels": {"in1": "Mbps", "in2": "Gbps"}, "factor": 0.001, "hidden": true},
   {"slug": "mbps-to-kbps", "name": "Mbps to Kbps", "category": "other", "type": "standard", "teaser": "Convert megabits per second into kilobits per second.", "labels": {"in1": "Mbps", "in2": "Kbps"}, "factor": 1000.0},
   {"slug": "mbps-to-mb-per-second", "name": "Mbps to MB/s", "category": "other", "type": "standard", "teaser": "Convert megabits per second into megabytes per second.", "labels": {"in1": "Mbps", "in2": "MB/s"}, "factor": 0.125},
@@ -311,7 +311,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "megabytes-to-bytes", "name": "Megabytes to Bytes", "category": "data", "type": "standard", "teaser": "A download weighs 5 megabytes; how many bytes does that represent?", "labels": {"in1": "Megabytes", "in2": "Bytes"}, "factor": 1000000.0},
   {"slug": "megabytes-to-kilobytes", "name": "Megabytes to Kilobytes", "category": "data", "type": "standard", "teaser": "A file is 3 megabytes; how many kilobytes is that?", "labels": {"in1": "Megabytes", "in2": "Kilobytes"}, "factor": 1000.0},
   {"slug": "megabytes-to-mebibytes", "name": "Megabytes to Mebibytes", "category": "data", "type": "standard", "teaser": "Convert megabytes into mebibytes.", "labels": {"in1": "Megabytes", "in2": "Mebibytes"}, "factor": 0.95367431640625, "hidden": true},
-  {"slug": "megabytes-to-terabytes", "name": "Megabytes to Terabytes", "category": "data", "type": "standard", "teaser": "Convert megabytes into terabytes.", "labels": {"in1": "Megabytes", "in2": "Terabytes"}, "factor": 1e-06},
+  {"slug": "megabytes-to-terabytes", "name": "Megabytes to Terabytes", "category": "data", "type": "standard", "teaser": "Convert megabytes into terabytes.", "labels": {"in1": "Megabytes", "in2": "Terabytes"}, "factor": 1e-06, "hidden": true},
   {"slug": "megahertz-to-gigahertz", "name": "Megahertz to Gigahertz", "category": "other", "type": "standard", "teaser": "A radio tuned to 100 MHz is what frequency in GHz?", "labels": {"in1": "Megahertz", "in2": "Gigahertz"}, "factor": 0.001, "hidden": true},
   {"slug": "megahertz-to-kilohertz", "name": "Megahertz to Kilohertz", "category": "other", "type": "standard", "teaser": "Express megahertz as kilohertz.", "labels": {"in1": "Megahertz", "in2": "Kilohertz"}, "factor": 1000.0},
   {"slug": "joules-to-calories", "name": "Joules to Calories", "category": "energy", "type": "standard", "labels": {"in1": "Joules", "in2": "Calories"}, "factor": 0.239005736, "hidden": true},
@@ -535,7 +535,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "pixels-per-centimeter-to-dpi", "name": "Pixels per centimeter to DPI", "category": "length", "type": "standard", "teaser": "Convert pixels per centimeter into dots per inch (multiplying by 2.54).", "labels": {"in1": "Pixels per centimeter", "in2": "DPI"}, "factor": 2.54},
   {"slug": "pixels-to-points", "name": "Pixels to Points", "category": "other", "type": "standard", "teaser": "Convert CSS pixels into typographic points at 96 DPI.", "labels": {"in1": "Pixels", "in2": "Points"}, "factor": 0.75, "hidden": true},
   {"slug": "pennyweights-to-grams", "name": "Pennyweights to grams", "category": "weight", "type": "standard", "labels": {"in1": "Pennyweights", "in2": "grams"}, "factor": 1.55517},
-  {"slug": "pennyweights-to-troy-ounces", "name": "Pennyweights to Troy Ounces", "category": "weight", "type": "standard", "teaser": "Convert pennyweights into troy ounces (1 pennyweight = 0.05 troy ounces).", "labels": {"in1": "Pennyweights", "in2": "Troy Ounces"}, "factor": 0.05},
+  {"slug": "pennyweights-to-troy-ounces", "name": "Pennyweights to Troy Ounces", "category": "weight", "type": "standard", "teaser": "Convert pennyweights into troy ounces (1 pennyweight = 0.05 troy ounces).", "labels": {"in1": "Pennyweights", "in2": "Troy Ounces"}, "factor": 0.05, "hidden": true},
   {"slug": "picocurie-to-becquerel", "name": "Picocurie to Becquerel", "category": "radiation", "type": "standard", "teaser": "A tiny radiation dose expressed in picocuries converts to becquerels.", "labels": {"in1": "Picocurie", "in2": "Becquerel"}, "factor": 0.037, "hidden": true},
   {"slug": "picofarads-to-microfarads", "name": "Picofarads to Microfarads", "category": "radiation", "type": "standard", "teaser": "Convert tiny capacitances into microfarads for circuit design.", "labels": {"in1": "Picofarads", "in2": "Microfarads"}, "factor": 1e-06, "hidden": true},
   {"slug": "picograms-to-nanograms", "name": "Picograms to Nanograms", "category": "weight", "type": "standard", "teaser": "Express picogram masses as nanograms for lab reporting.", "labels": {"in1": "Picograms", "in2": "Nanograms"}, "factor": 0.001, "hidden": true},
@@ -586,7 +586,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "inches-per-second-to-cm-per-second", "name": "Inches per second to cm per second", "category": "length", "type": "standard", "teaser": "Convert Inches per second to Centimeters per second instantly.", "labels": {"in1": "Inches per second", "in2": "cm per second"}, "factor": 2.54},
   {"slug": "inches-to-meters", "name": "Inches to Meters", "category": "length", "type": "standard", "teaser": "Convert Inches to Meters instantly.", "labels": {"in1": "Inches", "in2": "Meters"}, "factor": 0.0254, "hidden": true},
   {"slug": "inches-to-points", "name": "Inches to Points", "category": "length", "type": "standard", "teaser": "Convert Inches to Points instantly.", "labels": {"in1": "Inches", "in2": "Points"}, "factor": 72.0},
-  {"slug": "inches-to-yards", "name": "Inches to Yards", "category": "length", "type": "standard", "teaser": "Convert Inches to Yards instantly.", "labels": {"in1": "Inches", "in2": "Yards"}, "factor": 0.0277778},
+  {"slug": "inches-to-yards", "name": "Inches to Yards", "category": "length", "type": "standard", "teaser": "Convert Inches to Yards instantly.", "labels": {"in1": "Inches", "in2": "Yards"}, "factor": 0.0277778, "hidden": true},
   {"slug": "jansky-to-watts-per-square-meter-per-hertz", "name": "Jansky to Watts per sq meter per Hertz", "category": "length", "type": "standard", "teaser": "Convert Jansky to Watts per square meter per Hertz instantly.", "labels": {"in1": "Jansky", "in2": "Watts per sq meter per Hertz"}, "factor": 1e-26},
   {"slug": "jiffies-to-seconds", "name": "Jiffies to Seconds", "category": "time", "type": "standard", "teaser": "Convert Jiffies to Seconds instantly.", "labels": {"in1": "Jiffies", "in2": "Seconds"}, "factor": 0.01},
   {"slug": "jiggers-to-milliliters", "name": "Jiggers to Milliliters", "category": "volume", "type": "standard", "teaser": "Convert Jiggers to Milliliters instantly.", "labels": {"in1": "Jiggers", "in2": "Milliliters"}, "factor": 44.3603},
@@ -633,7 +633,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "grams-to-momme", "name": "Grams to Momme", "category": "weight", "type": "standard", "teaser": "A silk roll weighs 20 grams; how many momme does that equal?", "labels": {"in1": "Grams", "in2": "Momme"}, "factor": 0.2666667, "hidden": true},
   {"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": "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, "hidden": true},
   {"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": "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},
@@ -650,7 +650,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "kilowatts-to-megawatts", "name": "Kilowatts to Megawatts", "category": "power", "type": "standard", "teaser": "Convert power from kilowatts to megawatts.", "labels": {"in1": "Kilowatts", "in2": "Megawatts"}, "factor": 0.001, "hidden": true},
   {"slug": "kilowatts-to-watts", "name": "Kilowatts to Watts", "category": "power", "type": "standard", "teaser": "Convert kilowatts to watts.", "labels": {"in1": "Kilowatts", "in2": "Watts"}, "factor": 1000.0},
   {"slug": "km-per-kwh-to-miles-per-kwh", "name": "Kilometers per kWh to Miles per kWh", "category": "length", "type": "standard", "teaser": "Convert energy efficiency from km/kWh to mi/kWh.", "labels": {"in1": "Kilometers per kWh", "in2": "Miles per kWh"}, "factor": 0.621371, "hidden": true},
-  {"slug": "kilometers-per-second-to-speed-of-light", "name": "Kilometers per Second to Speed of Light", "category": "length", "type": "standard", "teaser": "Express a speed in kilometers per second as a fraction of c (299,792.458 km/s).", "labels": {"in1": "Kilometers per Second", "in2": "Speed of Light"}, "factor": 3.33564095198152e-06},
+  {"slug": "kilometers-per-second-to-speed-of-light", "name": "Kilometers per Second to Speed of Light", "category": "length", "type": "standard", "teaser": "Express a speed in kilometers per second as a fraction of c (299,792.458 km/s).", "labels": {"in1": "Kilometers per Second", "in2": "Speed of Light"}, "factor": 3.33564095198152e-06, "hidden": true},
   {"slug": "knots-to-feet-per-second", "name": "Knots to Feet per Second", "category": "length", "type": "standard", "teaser": "Convert a nautical mile per hour into feet per second.", "labels": {"in1": "Knots", "in2": "Feet per Second"}, "factor": 1.6878098376},
   {"slug": "knots-to-kilometers-per-hour", "name": "Knots to Kilometers per Hour", "category": "length", "type": "standard", "teaser": "Convert knots to kilometers per hour.", "labels": {"in1": "Knots", "in2": "Kilometers per Hour"}, "factor": 1.852},
   {"slug": "knots-to-meters-per-second", "name": "Knots to Meters per Second", "category": "length", "type": "standard", "teaser": "Convert knots to meters per second.", "labels": {"in1": "Knots", "in2": "Meters per Second"}, "factor": 0.5144444444},
@@ -689,7 +689,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "miles-per-gallon-to-kilometers-per-gallon", "name": "Miles per gallon to Kilometers per gallon", "category": "length", "type": "standard", "teaser": "Convert mpg to km/gal (US gallon).", "labels": {"in1": "Miles per gallon", "in2": "Kilometers per gallon"}, "factor": 1.609344},
   {"slug": "miles-per-hour-to-feet-per-second", "name": "Miles per hour to Feet per second", "category": "length", "type": "standard", "teaser": "Convert mph into feet per second.", "labels": {"in1": "Miles per hour", "in2": "Feet per second"}, "factor": 1.4666667},
   {"slug": "miles-per-hour-to-mach", "name": "Miles per hour to Mach", "category": "length", "type": "standard", "teaser": "Express mph as a fraction of Mach (sea-level).", "labels": {"in1": "Miles per hour", "in2": "Mach"}, "factor": 0.001313767, "hidden": true},
-  {"slug": "miles-per-hour-to-yards-per-second", "name": "Miles per hour to Yards per second", "category": "length", "type": "standard", "teaser": "Convert mph into yards per second.", "labels": {"in1": "Miles per hour", "in2": "Yards per second"}, "factor": 0.488686},
+  {"slug": "miles-per-hour-to-yards-per-second", "name": "Miles per hour to Yards per second", "category": "length", "type": "standard", "teaser": "Convert mph into yards per second.", "labels": {"in1": "Miles per hour", "in2": "Yards per second"}, "factor": 0.488686, "hidden": true},
   {"slug": "miles-per-kwh-to-kilometers-per-kwh", "name": "Miles per kWh to Kilometers per kWh", "category": "length", "type": "standard", "teaser": "Convert EV efficiency from mi/kWh to km/kWh.", "labels": {"in1": "Miles per kWh", "in2": "Kilometers per kWh"}, "factor": 1.609344},
   {"slug": "miles-to-feet", "name": "Miles to Feet", "category": "length", "type": "standard", "teaser": "Convert miles into feet.", "labels": {"in1": "Miles", "in2": "Feet"}, "factor": 5280.0},
   {"slug": "miles-to-furlongs", "name": "Miles to Furlongs", "category": "length", "type": "standard", "teaser": "Convert miles into furlongs for racetrack measures.", "labels": {"in1": "Miles", "in2": "Furlongs"}, "factor": 8.0},
@@ -698,8 +698,8 @@ export const calculators: CalculatorDef[] = [
   {"slug": "miles-to-yards", "name": "Miles to Yards", "category": "length", "type": "standard", "teaser": "Convert miles into yards.", "labels": {"in1": "Miles", "in2": "Yards"}, "factor": 1760.0},
   {"slug": "milliampere-hours-to-coulombs", "name": "Milliampere-hours to Coulombs", "category": "time", "type": "standard", "teaser": "Convert a charge from mAh to coulombs.", "labels": {"in1": "Milliampere-hours", "in2": "Coulombs"}, "factor": 3.6},
   {"slug": "milliamps-to-amps", "name": "Milliamps to Amps", "category": "electrical", "type": "standard", "teaser": "Convert milliamperes into amperes.", "labels": {"in1": "Milliamps", "in2": "Amps"}, "factor": 0.001, "hidden": true},
-  {"slug": "millivolts-to-volts", "name": "Millivolts to Volts", "category": "electrical", "type": "standard", "teaser": "Convert millivolts into volts.", "labels": {"in1": "Millivolts", "in2": "Volts"}, "factor": 0.001},
+  {"slug": "millivolts-to-volts", "name": "Millivolts to Volts", "category": "electrical", "type": "standard", "teaser": "Convert millivolts into volts.", "labels": {"in1": "Millivolts", "in2": "Volts"}, "factor": 0.001, "hidden": true},
-  {"slug": "milliwatts-to-watts", "name": "Milliwatts to Watts", "category": "power", "type": "standard", "teaser": "Convert power from milliwatts to watts.", "labels": {"in1": "Milliwatts", "in2": "Watts"}, "factor": 0.001},
+  {"slug": "milliwatts-to-watts", "name": "Milliwatts to Watts", "category": "power", "type": "standard", "teaser": "Convert power from milliwatts to watts.", "labels": {"in1": "Milliwatts", "in2": "Watts"}, "factor": 0.001, "hidden": true},
   {"slug": "millibars-to-atmosphere", "name": "Millibars to Atmosphere", "category": "pressure", "type": "standard", "teaser": "Convert millibars into atmospheres.", "labels": {"in1": "Millibars", "in2": "Atmosphere"}, "factor": 0.000986923},
   {"slug": "megapascals-to-bar", "name": "Megapascals to Bar", "category": "pressure", "type": "standard", "teaser": "Convert pressure from megapascals to bar.", "labels": {"in1": "Megapascals", "in2": "Bar"}, "factor": 10.0},
   {"slug": "megapascals-to-kilopascals", "name": "Megapascals to Kilopascals", "category": "pressure", "type": "standard", "teaser": "Convert pressure from MPa to kPa.", "labels": {"in1": "Megapascals", "in2": "Kilopascals"}, "factor": 1000.0},
@@ -728,7 +728,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "kilowatts-to-megawatts", "name": "Kilowatts to Megawatts", "category": "power", "type": "standard", "teaser": "Convert kilowatts into megawatts.", "labels": {"in1": "Kilowatts", "in2": "Megawatts"}, "factor": 0.001, "hidden": true},
   {"slug": "kilowatts-to-watts", "name": "Kilowatts to Watts", "category": "power", "type": "standard", "teaser": "Convert kilowatts into watts.", "labels": {"in1": "Kilowatts", "in2": "Watts"}, "factor": 1000.0},
   {"slug": "km-per-kwh-to-miles-per-kwh", "name": "Kilometers per kWh to Miles per kWh", "category": "length", "type": "standard", "teaser": "Convert EV efficiency from km per kWh to miles per kWh.", "labels": {"in1": "Kilometers per kWh", "in2": "Miles per kWh"}, "factor": 0.621371, "hidden": true},
-  {"slug": "kilometers-per-second-to-speed-of-light", "name": "Kilometers per Second to Speed of Light", "category": "length", "type": "standard", "teaser": "Express a speed in kilometers per second as a fraction of c (299,792.458 km/s).", "labels": {"in1": "Kilometers per Second", "in2": "Speed of Light"}, "factor": 3.33564095198152e-06},
+  {"slug": "kilometers-per-second-to-speed-of-light", "name": "Kilometers per Second to Speed of Light", "category": "length", "type": "standard", "teaser": "Express a speed in kilometers per second as a fraction of c (299,792.458 km/s).", "labels": {"in1": "Kilometers per Second", "in2": "Speed of Light"}, "factor": 3.33564095198152e-06, "hidden": true},
   {"slug": "knots-to-feet-per-second", "name": "Knots to Feet per Second", "category": "length", "type": "standard", "teaser": "Convert knots into feet per second.", "labels": {"in1": "Knots", "in2": "Feet per Second"}, "factor": 1.6878098376},
   {"slug": "knots-to-kilometers-per-hour", "name": "Knots to Kilometers per Hour", "category": "length", "type": "standard", "teaser": "Convert knots into kilometers per hour.", "labels": {"in1": "Knots", "in2": "Kilometers per Hour"}, "factor": 1.852},
   {"slug": "knots-to-meters-per-second", "name": "Knots to Meters per Second", "category": "length", "type": "standard", "teaser": "Convert knots into meters per second.", "labels": {"in1": "Knots", "in2": "Meters per Second"}, "factor": 0.5144444444},
@@ -793,7 +793,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "rad-to-rem", "name": "Rad to Rem", "category": "radiation", "type": "standard", "teaser": "Treat rads and rems as equivalent for gamma exposures.", "labels": {"in1": "Rad", "in2": "Rem"}, "factor": 1.0},
   {"slug": "radians-to-gradians", "name": "Radians to Gradians", "category": "angle", "type": "standard", "teaser": "Translate radians into gradians.", "labels": {"in1": "Radians", "in2": "Gradians"}, "factor": 63.66197723675814},
   {"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": "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, "hidden": true},
   {"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, "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},
   {"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},
@@ -892,11 +892,51 @@ export const calculators: CalculatorDef[] = [
   {"slug": "calories-per-second-to-watts", "name": "Calories per second to Watts", "category": "speed", "type": "standard", "teaser": "Convert calorie flow into watts for power conversions.", "labels": {"in1": "Calories per second", "in2": "Watts"}, "factor": 4.184},
   {"slug": "calories-to-btu", "name": "Calories to BTU", "category": "energy", "type": "standard", "teaser": "Compare calories to BTUs when juggling cooking and heating.", "labels": {"in1": "Calories", "in2": "BTU"}, "factor": 0.0039656667, "hidden": true},
   {"slug": "calories-to-kilocalories", "name": "Calories to Kilocalories", "category": "energy", "type": "standard", "teaser": "Switch food calories into dietary kilocalories.", "labels": {"in1": "Calories", "in2": "Kilocalories"}, "factor": 0.001},
-  {"slug": "calories-to-watt-hours", "name": "Calories to Watt-hours", "category": "energy", "type": "standard", "teaser": "Express small calorie amounts as watt-hours.", "labels": {"in1": "Calories", "in2": "Watt-hours"}, "factor": 0.0011622222222222223},
+  {"slug": "calories-to-watt-hours", "name": "Calories to Watt-hours", "category": "energy", "type": "standard", "teaser": "Express small calorie amounts as watt-hours.", "labels": {"in1": "Calories", "in2": "Watt-hours"}, "factor": 0.0011622222222222223, "hidden": true},
   {"slug": "carats-to-milligrams", "name": "Carats to Milligrams", "category": "weight", "type": "standard", "teaser": "Show gemstone carats as milligrams for lab records.", "labels": {"in1": "Carats", "in2": "Milligrams"}, "factor": 200.0},
   {"slug": "celsius-to-delisle", "name": "Celsius to Delisle", "category": "temperature", "type": "standard", "teaser": "Flip Celsius into the Delisle scale for historical references.", "labels": {"in1": "Celsius", "in2": "Delisle"}},
   {"slug": "celsius-to-kelvin", "name": "Celsius to Kelvin", "category": "temperature", "type": "standard", "teaser": "Add the offset to move from Celsius into Kelvin.", "labels": {"in1": "Celsius", "in2": "Kelvin"}, "offset": 273.15},
   {"slug": "celsius-to-rankine", "name": "Celsius to Rankine", "category": "temperature", "type": "standard", "teaser": "Express Celsius temperatures as Rankine degrees.", "labels": {"in1": "Celsius", "in2": "Rankine"}, "factor": 1.8, "offset": 491.67},
+  {"slug": "sievert-to-gray", "name": "Sievert to Gray", "category": "radiation", "type": "standard", "teaser": "Convert sievert exposures into energy-absorption grays for gamma/beta radiation.", "labels": {"in1": "Sievert", "in2": "Gray"}, "hidden": true},
+  {"slug": "smoots-to-meters", "name": "Smoots to Meters", "category": "length", "type": "standard", "teaser": "Translate historic smoot measurements into meters for consistent distances.", "labels": {"in1": "Smoots", "in2": "Meters"}, "factor": 1.7018},
+  {"slug": "solar-luminosities-to-watts", "name": "Solar luminosities to Watts", "category": "power", "type": "standard", "teaser": "Express a star\u2019s luminosity in watts for energy output comparisons.", "labels": {"in1": "Solar luminosities", "in2": "Watts"}, "factor": 3.828e+26},
+  {"slug": "solar-masses-to-kilograms", "name": "Solar masses to Kilograms", "category": "weight", "type": "standard", "teaser": "Convert solar masses into kilograms for astrophysical mass checks.", "labels": {"in1": "Solar masses", "in2": "Kilograms"}, "factor": 1.98847e+30},
+  {"slug": "solar-radii-to-kilometers", "name": "Solar radii to Kilometers", "category": "length", "type": "standard", "teaser": "Translate a solar radius into kilometers when sizing stars.", "labels": {"in1": "Solar radii", "in2": "Kilometers"}, "factor": 695700.0},
+  {"slug": "speed-of-light-to-kilometers-per-second", "name": "Speed of Light (c) to Kilometers per Second", "category": "length", "type": "standard", "teaser": "Reflect the speed of light in km/s for high-speed references.", "labels": {"in1": "Speed of Light (c)", "in2": "Kilometers per Second"}, "factor": 299792.458},
+  {"slug": "square-meters-to-ares", "name": "Square meters to Ares", "category": "length", "type": "standard", "teaser": "Convert square meters into ares for metric land surveying.", "labels": {"in1": "Square meters", "in2": "Ares"}, "factor": 0.01},
+  {"slug": "square-meters-to-barns", "name": "Square meters to Barns", "category": "length", "type": "standard", "teaser": "Convert area into barns for particle physics cross-sections.", "labels": {"in1": "Square meters", "in2": "Barns"}, "factor": 1e+28},
+  {"slug": "square-mils-to-circular-mils", "name": "Square mils to Circular mils", "category": "area", "type": "standard", "teaser": "Turn square mils into circular mils used for conductor sizing.", "labels": {"in1": "Square mils", "in2": "Circular mils"}, "factor": 1.273239544735163},
+  {"slug": "statamperes-to-amperes", "name": "Statamperes to Amperes", "category": "electrical", "type": "standard", "teaser": "Translate CGS statamperes into modern amperes.", "labels": {"in1": "Statamperes", "in2": "Amperes"}, "factor": 0.333564095},
+  {"slug": "statvolts-to-volts", "name": "Statvolts to Volts", "category": "electrical", "type": "standard", "teaser": "Express CGS statvolts as volts for voltage comparisons.", "labels": {"in1": "Statvolts", "in2": "Volts"}, "factor": 299.792458},
+  {"slug": "tebibytes-to-terabytes", "name": "Tebibytes to Terabytes", "category": "data", "type": "standard", "teaser": "Convert binary tebibytes into decimal terabytes for storage listings.", "labels": {"in1": "Tebibytes", "in2": "Terabytes"}, "factor": 1.099511627776},
+  {"slug": "technical-atmosphere-to-pascal", "name": "Technical atmosphere (at) to Pascal", "category": "pressure", "type": "standard", "teaser": "Convert technical atmospheres into pascals for pressure specs.", "labels": {"in1": "Technical atmosphere (at)", "in2": "Pascal"}, "factor": 98066.5},
+  {"slug": "terabytes-to-megabytes", "name": "Terabytes to Megabytes", "category": "data", "type": "standard", "teaser": "Turn terabytes into megabytes for tiered storage math.", "labels": {"in1": "Terabytes", "in2": "Megabytes"}, "factor": 1000000.0},
+  {"slug": "terabytes-to-tebibytes", "name": "Terabytes to Tebibytes", "category": "data", "type": "standard", "teaser": "Express decimal terabytes as binary tebibytes.", "labels": {"in1": "Terabytes", "in2": "Tebibytes"}, "factor": 0.9094947017729282, "hidden": true},
+  {"slug": "thou-to-millimeters", "name": "Thou to Millimeters", "category": "length", "type": "standard", "teaser": "Translate thou (mil) measurements into millimeters for precision machining.", "labels": {"in1": "Thou", "in2": "Millimeters"}, "factor": 0.0254, "hidden": true},
+  {"slug": "thou-to-inches", "name": "Thou to Inches", "category": "length", "type": "standard", "teaser": "Convert thou (mil) measurements into inches for shop math.", "labels": {"in1": "Thou", "in2": "Inches"}, "factor": 0.001},
+  {"slug": "tolas-to-grams", "name": "Tolas to Grams", "category": "weight", "type": "standard", "teaser": "Turn traditional tolas into grams when weighing precious metals.", "labels": {"in1": "Tolas", "in2": "Grams"}, "factor": 11.6638038},
+  {"slug": "torr-to-mmhg", "name": "Torr to mmHg", "category": "pressure", "type": "standard", "teaser": "Relate torr to millimeters of mercury for vacuum work.", "labels": {"in1": "Torr", "in2": "mmHg"}, "hidden": true},
+  {"slug": "townships-to-square-miles", "name": "Townships to Square Miles", "category": "length", "type": "standard", "teaser": "Convert survey townships into square miles.", "labels": {"in1": "Townships", "in2": "Square Miles"}, "factor": 36.0},
+  {"slug": "troy-ounces-to-ounces", "name": "Troy Ounces to Ounces", "category": "weight", "type": "standard", "teaser": "Translate troy ounces into avoirdupois ounces for bullion.", "labels": {"in1": "Troy Ounces", "in2": "Ounces"}, "factor": 1.097142857},
+  {"slug": "troy-ounces-to-pennyweights", "name": "Troy Ounces to Pennyweights", "category": "weight", "type": "standard", "teaser": "Convert troy ounces into pennyweights for numismatic work.", "labels": {"in1": "Troy Ounces", "in2": "Pennyweights"}, "factor": 20.0},
+  {"slug": "turns-to-degrees", "name": "Turns to Degrees", "category": "angle", "type": "standard", "teaser": "Convert full turns into degrees for circular motion math.", "labels": {"in1": "Turns", "in2": "Degrees"}, "factor": 360.0},
+  {"slug": "turns-to-radians", "name": "Turns to Radians", "category": "angle", "type": "standard", "teaser": "Express full turns as radians for engineering.", "labels": {"in1": "Turns", "in2": "Radians"}, "factor": 6.283185307179586},
+  {"slug": "uk-mpg-to-us-mpg", "name": "UK mpg to US mpg", "category": "other", "type": "standard", "teaser": "Compare British and US fuel economy numbers.", "labels": {"in1": "UK mpg", "in2": "US mpg"}, "factor": 1.20095},
+  {"slug": "us-mpg-to-uk-mpg", "name": "US mpg to UK mpg", "category": "other", "type": "standard", "teaser": "Flip US miles per gallon into UK mpg for international comparisons.", "labels": {"in1": "US mpg", "in2": "UK mpg"}, "factor": 0.832674, "hidden": true},
+  {"slug": "volts-to-millivolts", "name": "Volts to Millivolts", "category": "electrical", "type": "standard", "teaser": "Scale volts into millivolts for control signals.", "labels": {"in1": "Volts", "in2": "Millivolts"}, "factor": 1000.0},
+  {"slug": "watt-hours-to-calories", "name": "Watt-hours to Calories", "category": "energy", "type": "standard", "teaser": "Convert watt-hours into food calories for energy budgets.", "labels": {"in1": "Watt-hours", "in2": "Calories"}, "factor": 860.42065},
+  {"slug": "watts-to-calories-per-second", "name": "Watts to Calories per Second", "category": "speed", "type": "standard", "teaser": "Translate watts into calories per second for nutrition math.", "labels": {"in1": "Watts", "in2": "Calories per Second"}, "factor": 0.2388458966, "hidden": true},
+  {"slug": "watts-to-kilowatts", "name": "Watts to Kilowatts", "category": "power", "type": "standard", "teaser": "Express watts as kilowatts for appliance specs.", "labels": {"in1": "Watts", "in2": "Kilowatts"}, "factor": 0.001, "hidden": true},
+  {"slug": "watts-to-metric-horsepower", "name": "Watts to Metric Horsepower", "category": "power", "type": "standard", "teaser": "Convert watts into metric horsepower (PS) for vehicle specs.", "labels": {"in1": "Watts", "in2": "Metric Horsepower"}, "factor": 0.00135962162, "hidden": true},
+  {"slug": "watts-to-milliwatts", "name": "Watts to Milliwatts", "category": "power", "type": "standard", "teaser": "Scale watts down to milliwatts.", "labels": {"in1": "Watts", "in2": "Milliwatts"}, "factor": 1000.0},
+  {"slug": "weber-to-maxwell", "name": "Weber to Maxwell", "category": "other", "type": "standard", "teaser": "Express webers as maxwells for magnetic flux reports.", "labels": {"in1": "Weber", "in2": "Maxwell"}, "factor": 100000000.0},
+  {"slug": "wh-per-km-to-wh-per-mile", "name": "Wh per km to Wh per mile", "category": "length", "type": "standard", "teaser": "Convert EV efficiency from km to mile units.", "labels": {"in1": "Wh per km", "in2": "Wh per mile"}, "factor": 1.609344},
+  {"slug": "wh-per-mile-to-wh-per-km", "name": "Wh per mile to Wh per km", "category": "length", "type": "standard", "teaser": "Express US efficiency numbers as kilometers-based metrics.", "labels": {"in1": "Wh per mile", "in2": "Wh per km"}, "factor": 0.621371, "hidden": true},
+  {"slug": "yards-per-second-to-kilometers-per-hour", "name": "Yards per second to Kilometers per hour", "category": "length", "type": "standard", "teaser": "Convert yard/second speeds into km/h for international racing.", "labels": {"in1": "Yards per second", "in2": "Kilometers per hour"}, "factor": 3.29184},
+  {"slug": "yards-per-second-to-miles-per-hour", "name": "Yards per second to Miles per hour", "category": "length", "type": "standard", "teaser": "Translate yard/second speeds into mph for track timing.", "labels": {"in1": "Yards per second", "in2": "Miles per hour"}, "factor": 2.04528544},
+  {"slug": "yards-to-centimeters", "name": "Yards to Centimeters", "category": "length", "type": "standard", "teaser": "Convert yards into centimeters for sewing and textiles.", "labels": {"in1": "Yards", "in2": "Centimeters"}, "factor": 91.44},
+  {"slug": "yards-to-feet", "name": "Yards to Feet", "category": "length", "type": "standard", "teaser": "Turn yards into feet for carpentry math.", "labels": {"in1": "Yards", "in2": "Feet"}, "factor": 3.0},
+  {"slug": "yards-to-inches", "name": "Yards to Inches", "category": "length", "type": "standard", "teaser": "Convert yards into inches for finer measurements.", "labels": {"in1": "Yards", "in2": "Inches"}, "factor": 36.0},
 
 ];