additional calculators

2026-03-07 10:13:01 +00:00
parent d4e99abc38
commit 4e6b54ce24
2 changed files with 74 additions and 14 deletions
--- a/calculators_list.md
+++ b/calculators_list.md
@@ -11,10 +11,23 @@ The registry currently contains 416 unique calculator slugs.
 | Miles to Kilometers – Planning a road trip, how many kilometers will 120 miles travel? | miles-to-kilometers | 0.62137119 |
 | Acres to Hectares – A 50-acre farm prompts the question: how many hectares does it include? | acres-to-hectares | 0.404686 |
 | Acres to Square Feet – For the listing, convert 2 acres into square feet to describe the lot size. | acres-to-square-feet | 43560.0 |
 | Acre-feet to Liters – A lake holds 1 acre-foot; how many liters of water is that? | acre-feet-to-liters | 1233481.8375476 |
 | Acres to Square Kilometers – How many square kilometers cover one acre? | acres-to-square-kilometers | 0.0040468564224 |
 | Acres to Square Meters – Convert a single acre into square meters. | acres-to-square-meters | 4046.8564224 |
 | Acres to Square Miles – See how many square miles equal one acre. | acres-to-square-miles | 0.0015625 |
 | Acres to Square Yards – Turn acre measurements into square yards. | acres-to-square-yards | 4840.0 |
 | Angstroms to Nanometers – A materials scientist changes 25 angstroms into nanometers to describe a film thickness. | angstroms-to-nanometers | 0.1 |
 | Apothecary Ounces to Grams – Preparing a tincture, how many grams are packed in 8 apothecary ounces? | apothecary-ounces-to-grams | 31.1034768 |
 | Atomic Mass Units to Kilograms – Express an amu in kilograms while working with nuclear scales. | atomic-mass-units-to-kilograms | 1.66053906660e-27 |
 | Astronomical Units to Light Years – The astronomer asks how many light years correspond to 5 astronomical units. | astronomical-units-to-light-years | 0.0000158125074 |
 | Astronomical Units to Kilometers – How many kilometers span one astronomical unit (approx Earth-Sun distance)? | astronomical-units-to-kilometers | 149597870.7 |
 | Astronomical Units to Miles – See the same astronomical distance measured in miles. | astronomical-units-to-miles | 92955807.3 |
 | Atmosphere to mmHg – In the lab, what is 2 atmospheres of pressure in millimeters of mercury? | atmosphere-to-mmhg | 760.0 |
 | Atmosphere to Bar – Relate the standard atmosphere to bar units when comparing fluid tables. | atmosphere-to-bar | 1.01325 |
 | Atmosphere to Feet of Water – Convert 1 atmosphere of pressure into feet of water head. | atmosphere-to-feet-of-water | 33.9007463 |
 | Atmosphere to kPa – Turn atmospheric pressure into kilopascals for SI data. | atmosphere-to-kpa | 101.325 |
 | Atmosphere to PSI – Express 1 atmosphere as pounds per square inch. | atmosphere-to-psi | 14.6959 |
 | Atmosphere to Torr – Represent atmospheric pressure in torr for vacuum specifications. | atmosphere-to-torr | 760.0 |
 | Attograms to Femtograms – To compare particle masses, convert 150 attograms into femtograms. | attograms-to-femtograms | 0.001 |
 | Bar to Pascal | bar-to-pascal | 100000.0 |
 | Bar to PSI | bar-to-psi | 14.5037738 |
@@ -33,6 +46,8 @@ The registry currently contains 416 unique calculator slugs.
 | Amps to Watts | amps-to-watts | Multi-Variable |
 | Amps to Kilowatts | amps-to-kilowatts | Multi-Variable |
 | Amps to kVA | amps-to-kva | Multi-Variable |
 | Ampere-turns per meter to Oersted – Convert magnetomotive force per meter into oersted units. | ampere-turns-per-meter-to-oersted | 0.0125663706143592 |
 | Amps to Milliamps – Translate amperes into milliamperes when tuning circuit currents. | amps-to-milliamps | 1000.0 |
 | Carats to Grams | carats-to-grams | 0.2 |
 | Celsius to Fahrenheit | celsius-to-fahrenheit | Linear Offset (1.8x + 32) |
 | Centimeters to Inches | centimeters-to-inches | 0.393700787 |
@@ -45,8 +60,13 @@ The registry currently contains 416 unique calculator slugs.
 | Days to Hours | days-to-hours | 24.0 |
 | Days to Weeks | days-to-weeks | 0.142857143 |
 | Days to Years | days-to-years | 0.002737851 |
 | Atomic Time Units to Seconds – Turn an atomic unit of time into seconds for quantum timing. | atomic-time-units-to-seconds | 2.418884326505e-17 |
 | Degrees to Mils | degrees-to-mils | 17.777777778 |
 | Degrees to Radians | degrees-to-radians | 0.017453293 |
 | Arcminutes to Arcseconds – Expand each arcminute into 60 arcseconds for high-precision angles. | arcminutes-to-arcseconds | 60.0 |
 | Arcminutes to Degrees – Convert minutes of arc into degrees. | arcminutes-to-degrees | 0.0166666667 |
 | Arcseconds to Arcminutes – Turn arcseconds back into minutes for fine-grained angles. | arcseconds-to-arcminutes | 0.0166666667 |
 | Arcseconds to Degrees – Express tiny angle pieces as degrees. | arcseconds-to-degrees | 0.00027777778 |
 | Dynes to Newtons | dynes-to-newtons | 1e-05 |
 | Ergs to Joules | ergs-to-joules | 1e-07 |
 | Feet to Meters | feet-to-meters | 0.3048 |
@@ -447,10 +467,22 @@ The registry currently contains 416 unique calculator slugs.
 - [x] Miles to Kilometers (`miles-to-kilometers`)
 - [x] Acres to Hectares (`acres-to-hectares`)
 - [x] Acres to Square Feet (`acres-to-square-feet`)
 - [x] Acre-feet to Liters (`acre-feet-to-liters`)
 - [x] Acres to Square Kilometers (`acres-to-square-kilometers`)
 - [x] Acres to Square Meters (`acres-to-square-meters`)
 - [x] Acres to Square Miles (`acres-to-square-miles`)
 - [x] Acres to Square Yards (`acres-to-square-yards`)
 - [x] Angstroms to Nanometers (`angstroms-to-nanometers`)
 - [x] Apothecary Ounces to Grams (`apothecary-ounces-to-grams`)
 - [x] Astronomical Units to Light Years (`astronomical-units-to-light-years`)
 - [x] Astronomical Units to Kilometers (`astronomical-units-to-kilometers`)
 - [x] Astronomical Units to Miles (`astronomical-units-to-miles`)
 - [x] Atmosphere to mmHg (`atmosphere-to-mmhg`)
 - [x] Atmosphere to Bar (`atmosphere-to-bar`)
 - [x] Atmosphere to Feet of Water (`atmosphere-to-feet-of-water`)
 - [x] Atmosphere to kPa (`atmosphere-to-kpa`)
 - [x] Atmosphere to PSI (`atmosphere-to-psi`)
 - [x] Atmosphere to Torr (`atmosphere-to-torr`)
 - [x] Attograms to Femtograms (`attograms-to-femtograms`)
 - [x] Bar to Pascal (`bar-to-pascal`)
 - [x] Bar to PSI (`bar-to-psi`)
@@ -469,6 +501,8 @@ The registry currently contains 416 unique calculator slugs.
 - [x] Amps to Watts (`amps-to-watts`)
 - [x] Amps to Kilowatts (`amps-to-kilowatts`)
 - [x] Amps to kVA (`amps-to-kva`)
 - [x] Ampere-turns per meter to Oersted (`ampere-turns-per-meter-to-oersted`)
 - [x] Amps to Milliamps (`amps-to-milliamps`)
 - [x] Carats to Grams (`carats-to-grams`)
 - [x] Celsius to Fahrenheit (`celsius-to-fahrenheit`)
 - [x] Centimeters to Inches (`centimeters-to-inches`)
@@ -478,11 +512,17 @@ The registry currently contains 416 unique calculator slugs.
 - [x] Cups to Milliliters (`cups-to-milliliters`)
 - [x] Curie to Becquerel (`curie-to-becquerel`)
 - [x] Daltons to AMU (`daltons-to-amu`)
 - [x] Atomic Mass Units to Kilograms (`atomic-mass-units-to-kilograms`)
 - [x] Days to Hours (`days-to-hours`)
 - [x] Days to Weeks (`days-to-weeks`)
 - [x] Days to Years (`days-to-years`)
 - [x] Atomic Time Units to Seconds (`atomic-time-units-to-seconds`)
 - [x] Degrees to Mils (`degrees-to-mils`)
 - [x] Degrees to Radians (`degrees-to-radians`)
 - [x] Arcminutes to Arcseconds (`arcminutes-to-arcseconds`)
 - [x] Arcminutes to Degrees (`arcminutes-to-degrees`)
 - [x] Arcseconds to Arcminutes (`arcseconds-to-arcminutes`)
 - [x] Arcseconds to Degrees (`arcseconds-to-degrees`)
 - [x] Dynes to Newtons (`dynes-to-newtons`)
 - [x] Ergs to Joules (`ergs-to-joules`)
 - [x] Feet to Meters (`feet-to-meters`)
@@ -981,16 +1021,16 @@ The registry currently contains 416 unique calculator slugs.
 - [x] Gill to Milliliters (1 US gill = 118.294 milliliters)
 - [x] Gradians to Degrees (1 gradian = 0.9 degrees)
 - [x] Gradians to Radians (1 gradian ≈ 0.01570796 radians)
- [ ] Grains to Ounces (1 grain ≈ 0.002285714 ounces)
+- [x] Grains to Ounces (1 grain ≈ 0.002285714 ounces)
- [ ] Grams per cubic centimeter to Kilograms per liter (1 g/cm³ = 1 kg/L)
+- [x] Grams per cubic centimeter to Kilograms per liter (1 g/cm³ = 1 kg/L)
- [ ] Grams per milliliter to Kilograms per cubic meter (1 g/mL = 1,000 kg/m³)
+- [x] Grams per milliliter to Kilograms per cubic meter (1 g/mL = 1,000 kg/m³)
- [ ] Grams to Drams (1 gram ≈ 0.564383 drams)
+- [x] Grams to Drams (1 gram ≈ 0.564383 drams)
- [ ] Grams to Kilograms (1 gram = 0.001 kilograms)
+- [x] Grams to Kilograms (1 gram = 0.001 kilograms)
- [ ] Grams to Momme (1 gram ≈ 0.2666667 momme)
+- [x] Grams to Momme (1 gram ≈ 0.2666667 momme)
- [ ] Grams to Pounds (1 gram ≈ 0.00220462 pounds)
+- [x] Grams to Pounds (1 gram ≈ 0.00220462 pounds)
- [ ] Grams to Scruples (1 gram ≈ 0.771605 scruples)
+- [x] Grams to Scruples (1 gram ≈ 0.771605 scruples)
- [ ] Grams to Tolas (1 gram ≈ 0.085735 tola)
+- [x] Grams to Tolas (1 gram ≈ 0.085735 tola)
- [ ] Gray to Sievert (1 gray of gamma/beta exposure = 1 sievert)
+- [x] Gray to Sievert (1 gray of gamma/beta exposure = 1 sievert)
 #### Additional 40 ready conversions (no additional input needed)
 - [x] GSM to Ounces per sq yard (1 gsm ≈ 0.02952 ounces per square yard)
--- a/hdyc-svelte/src/lib/data/calculators.ts
+++ b/hdyc-svelte/src/lib/data/calculators.ts
@@ -43,10 +43,23 @@ export const calculators: CalculatorDef[] = [
  {"slug": "miles-to-kilometers", "name": "Miles to Kilometers", "category": "length", "type": "standard", "teaser": "Planning a road trip, how many kilometers will 120 miles travel?", "labels": {"in1": "Miles", "in2": "Kilometers"}, "factor": 0.62137119, "hidden": true},
  {"slug": "acres-to-hectares", "name": "Acres to Hectares", "category": "area", "type": "standard", "teaser": "A 50-acre farm prompts the question: how many hectares does it include?", "labels": {"in1": "Acres", "in2": "Hectares"}, "factor": 0.404686},
  {"slug": "acres-to-square-feet", "name": "Acres to Square Feet", "category": "length", "type": "standard", "teaser": "For the listing, convert 2 acres into square feet to describe the lot size.", "labels": {"in1": "Acres", "in2": "Square Feet"}, "factor": 43560.0},
  {"slug": "acre-feet-to-liters", "name": "Acre-feet to Liters", "category": "length", "type": "standard", "teaser": "A lake holds 1 acre-foot; how many liters of water is that?", "labels": {"in1": "Acre-feet", "in2": "Liters"}, "factor": 1233481.8375476},
  {"slug": "acres-to-square-kilometers", "name": "Acres to Square Kilometers", "category": "length", "type": "standard", "teaser": "How many square kilometers cover one acre?", "labels": {"in1": "Acres", "in2": "Square Kilometers"}, "factor": 0.0040468564224},
  {"slug": "acres-to-square-meters", "name": "Acres to Square Meters", "category": "length", "type": "standard", "teaser": "Convert a single acre into square meters.", "labels": {"in1": "Acres", "in2": "Square Meters"}, "factor": 4046.8564224},
  {"slug": "acres-to-square-miles", "name": "Acres to Square Miles", "category": "length", "type": "standard", "teaser": "See how many square miles equal one acre.", "labels": {"in1": "Acres", "in2": "Square Miles"}, "factor": 0.0015625},
  {"slug": "acres-to-square-yards", "name": "Acres to Square Yards", "category": "length", "type": "standard", "teaser": "Turn acre measurements into square yards.", "labels": {"in1": "Acres", "in2": "Square Yards"}, "factor": 4840.0},
  {"slug": "angstroms-to-nanometers", "name": "Angstroms to Nanometers", "category": "length", "type": "standard", "teaser": "A materials scientist changes 25 angstroms into nanometers to describe a film thickness.", "labels": {"in1": "Angstroms", "in2": "Nanometers"}, "factor": 0.1},
  {"slug": "apothecary-ounces-to-grams", "name": "Apothecary Ounces to Grams", "category": "weight", "type": "standard", "teaser": "Preparing a tincture, how many grams are packed in 8 apothecary ounces?", "labels": {"in1": "Apothecary Ounces", "in2": "Grams"}, "factor": 31.1034768},
  {"slug": "atomic-mass-units-to-kilograms", "name": "Atomic Mass Units to Kilograms", "category": "weight", "type": "standard", "teaser": "Express an amu in kilograms while working with nuclear scales.", "labels": {"in1": "Atomic Mass Units", "in2": "Kilograms"}, "factor": 1.6605390666e-27},
  {"slug": "astronomical-units-to-light-years", "name": "Astronomical Units to Light Years", "category": "time", "type": "standard", "teaser": "The astronomer asks how many light years correspond to 5 astronomical units.", "labels": {"in1": "Astronomical Units", "in2": "Light Years"}, "factor": 1.58125074e-05, "hidden": true},
  {"slug": "astronomical-units-to-kilometers", "name": "Astronomical Units to Kilometers", "category": "length", "type": "standard", "teaser": "How many kilometers span one astronomical unit (approx Earth-Sun distance)?", "labels": {"in1": "Astronomical Units", "in2": "Kilometers"}, "factor": 149597870.7},
  {"slug": "astronomical-units-to-miles", "name": "Astronomical Units to Miles", "category": "length", "type": "standard", "teaser": "See the same astronomical distance measured in miles.", "labels": {"in1": "Astronomical Units", "in2": "Miles"}, "factor": 92955807.3},
  {"slug": "atmosphere-to-mmhg", "name": "Atmosphere to mmHg", "category": "pressure", "type": "standard", "teaser": "In the lab, what is 2 atmospheres of pressure in millimeters of mercury?", "labels": {"in1": "Atmosphere", "in2": "mmHg"}, "factor": 760.0},
  {"slug": "atmosphere-to-bar", "name": "Atmosphere to Bar", "category": "pressure", "type": "standard", "teaser": "Relate the standard atmosphere to bar units when comparing fluid tables.", "labels": {"in1": "Atmosphere", "in2": "Bar"}, "factor": 1.01325},
  {"slug": "atmosphere-to-feet-of-water", "name": "Atmosphere to Feet of Water", "category": "length", "type": "standard", "teaser": "Convert 1 atmosphere of pressure into feet of water head.", "labels": {"in1": "Atmosphere", "in2": "Feet of Water"}, "factor": 33.9007463},
  {"slug": "atmosphere-to-kpa", "name": "Atmosphere to kPa", "category": "pressure", "type": "standard", "teaser": "Turn atmospheric pressure into kilopascals for SI data.", "labels": {"in1": "Atmosphere", "in2": "kPa"}, "factor": 101.325},
  {"slug": "atmosphere-to-psi", "name": "Atmosphere to PSI", "category": "pressure", "type": "standard", "teaser": "Express 1 atmosphere as pounds per square inch.", "labels": {"in1": "Atmosphere", "in2": "PSI"}, "factor": 14.6959},
  {"slug": "atmosphere-to-torr", "name": "Atmosphere to Torr", "category": "pressure", "type": "standard", "teaser": "Represent atmospheric pressure in torr for vacuum specifications.", "labels": {"in1": "Atmosphere", "in2": "Torr"}, "factor": 760.0},
  {"slug": "attograms-to-femtograms", "name": "Attograms to Femtograms", "category": "weight", "type": "standard", "teaser": "To compare particle masses, convert 150 attograms into femtograms.", "labels": {"in1": "Attograms", "in2": "Femtograms"}, "factor": 0.001, "hidden": true},
  {"slug": "bar-to-pascal", "name": "Bar to Pascal", "category": "pressure", "type": "standard", "labels": {"in1": "Bar", "in2": "Pascal"}, "factor": 100000.0},
  {"slug": "bar-to-psi", "name": "Bar to PSI", "category": "pressure", "type": "standard", "labels": {"in1": "Bar", "in2": "PSI"}, "factor": 14.5037738},
@@ -65,6 +78,8 @@ export const calculators: CalculatorDef[] = [
  {"slug": "amps-to-watts", "name": "Amps to Watts", "category": "power", "type": "3col-mul", "labels": {"in1": "Amps", "in2": "Watts", "in3": "Volts"}},
  {"slug": "amps-to-kilowatts", "name": "Amps to Kilowatts", "category": "power", "type": "3col", "labels": {"in1": "Amps", "in2": "Kilowatts", "in3": "Volts"}},
  {"slug": "amps-to-kva", "name": "Amps to kVA", "category": "electrical", "type": "3col", "labels": {"in1": "Amps", "in2": "kVA", "in3": "Result"}},
  {"slug": "ampere-turns-per-meter-to-oersted", "name": "Ampere-turns per meter to Oersted", "category": "length", "type": "standard", "teaser": "Convert magnetomotive force per meter into oersted units.", "labels": {"in1": "Ampere-turns per meter", "in2": "Oersted"}, "factor": 0.0125663706143592},
  {"slug": "amps-to-milliamps", "name": "Amps to Milliamps", "category": "electrical", "type": "standard", "teaser": "Translate amperes into milliamperes when tuning circuit currents.", "labels": {"in1": "Amps", "in2": "Milliamps"}, "factor": 1000.0},
  {"slug": "carats-to-grams", "name": "Carats to Grams", "category": "weight", "type": "standard", "labels": {"in1": "Carats", "in2": "Grams"}, "factor": 0.2, "hidden": true},
  {"slug": "celsius-to-fahrenheit", "name": "Celsius to Fahrenheit", "category": "temperature", "type": "standard", "labels": {"in1": "Celsius", "in2": "Fahrenheit"}, "factor": 1.8, "offset": 32.0},
  {"slug": "centimeters-to-inches", "name": "Centimeters to Inches", "category": "length", "type": "standard", "labels": {"in1": "Centimeters", "in2": "Inches"}, "factor": 0.393700787},
@@ -77,8 +92,13 @@ export const calculators: CalculatorDef[] = [
  {"slug": "days-to-hours", "name": "Days to Hours", "category": "time", "type": "standard", "labels": {"in1": "Days", "in2": "Hours"}, "factor": 24.0},
  {"slug": "days-to-weeks", "name": "Days to Weeks", "category": "time", "type": "standard", "labels": {"in1": "Days", "in2": "Weeks"}, "factor": 0.142857143},
  {"slug": "days-to-years", "name": "Days to Years", "category": "time", "type": "standard", "labels": {"in1": "Days", "in2": "Years"}, "factor": 0.002737851},
  {"slug": "atomic-time-units-to-seconds", "name": "Atomic Time Units to Seconds", "category": "time", "type": "standard", "teaser": "Turn an atomic unit of time into seconds for quantum timing.", "labels": {"in1": "Atomic Time Units", "in2": "Seconds"}, "factor": 2.418884326505e-17},
  {"slug": "degrees-to-mils", "name": "Degrees to Mils", "category": "angle", "type": "standard", "labels": {"in1": "Degrees", "in2": "Mils"}, "factor": 17.777777778},
  {"slug": "degrees-to-radians", "name": "Degrees to Radians", "category": "angle", "type": "standard", "labels": {"in1": "Degrees", "in2": "Radians"}, "factor": 0.017453293, "hidden": true},
  {"slug": "arcminutes-to-arcseconds", "name": "Arcminutes to Arcseconds", "category": "time", "type": "standard", "teaser": "Expand each arcminute into 60 arcseconds for high-precision angles.", "labels": {"in1": "Arcminutes", "in2": "Arcseconds"}, "factor": 60.0},
  {"slug": "arcminutes-to-degrees", "name": "Arcminutes to Degrees", "category": "time", "type": "standard", "teaser": "Convert minutes of arc into degrees.", "labels": {"in1": "Arcminutes", "in2": "Degrees"}, "factor": 0.0166666667},
  {"slug": "arcseconds-to-arcminutes", "name": "Arcseconds to Arcminutes", "category": "time", "type": "standard", "teaser": "Turn arcseconds back into minutes for fine-grained angles.", "labels": {"in1": "Arcseconds", "in2": "Arcminutes"}, "factor": 0.0166666667, "hidden": true},
  {"slug": "arcseconds-to-degrees", "name": "Arcseconds to Degrees", "category": "time", "type": "standard", "teaser": "Express tiny angle pieces as degrees.", "labels": {"in1": "Arcseconds", "in2": "Degrees"}, "factor": 0.00027777778},
  {"slug": "dynes-to-newtons", "name": "Dynes to Newtons", "category": "weight", "type": "standard", "labels": {"in1": "Dynes", "in2": "Newtons"}, "factor": 1e-05, "hidden": true},
  {"slug": "ergs-to-joules", "name": "Ergs to Joules", "category": "energy", "type": "standard", "labels": {"in1": "Ergs", "in2": "Joules"}, "factor": 1e-07, "hidden": true},
  {"slug": "feet-to-meters", "name": "Feet to Meters", "category": "length", "type": "standard", "labels": {"in1": "Feet", "in2": "Meters"}, "factor": 0.3048, "hidden": true},
@@ -353,7 +373,7 @@ export const calculators: CalculatorDef[] = [
  {"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},
-  {"slug": "kpa-to-atmosphere", "name": "kPa to Atmosphere", "category": "pressure", "type": "standard", "teaser": "Convert kilopascals to atmospheres.", "labels": {"in1": "kPa", "in2": "Atmosphere"}, "factor": 0.00986923},
+  {"slug": "kpa-to-atmosphere", "name": "kPa to Atmosphere", "category": "pressure", "type": "standard", "teaser": "Convert kilopascals to atmospheres.", "labels": {"in1": "kPa", "in2": "Atmosphere"}, "factor": 0.00986923, "hidden": true},
  {"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},
@@ -396,7 +416,7 @@ export const calculators: CalculatorDef[] = [
  {"slug": "miles-to-nautical-miles", "name": "Miles to Nautical Miles", "category": "length", "type": "standard", "teaser": "Convert statute miles into nautical miles.", "labels": {"in1": "Miles", "in2": "Nautical Miles"}, "factor": 0.868976},
  {"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},
+  {"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": "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},
@@ -429,7 +449,7 @@ export const calculators: CalculatorDef[] = [
  {"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},
-  {"slug": "kpa-to-atmosphere", "name": "kPa to Atmosphere", "category": "pressure", "type": "standard", "teaser": "Convert kilopascals to atmospheres.", "labels": {"in1": "kPa", "in2": "Atmosphere"}, "factor": 0.00986923},
+  {"slug": "kpa-to-atmosphere", "name": "kPa to Atmosphere", "category": "pressure", "type": "standard", "teaser": "Convert kilopascals to atmospheres.", "labels": {"in1": "kPa", "in2": "Atmosphere"}, "factor": 0.00986923, "hidden": true},
  {"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},
@@ -441,7 +461,7 @@ export const calculators: CalculatorDef[] = [
  {"slug": "light-years-to-miles", "name": "Light Years to Miles", "category": "length", "type": "standard", "teaser": "Convert light years to miles.", "labels": {"in1": "Light Years", "in2": "Miles"}, "factor": 5878625373180.8},
  {"slug": "liters-to-imperial-gallons", "name": "Liters to Imperial gallons", "category": "volume", "type": "standard", "teaser": "Convert liters to imperial gallons.", "labels": {"in1": "Liters", "in2": "Imperial gallons"}, "factor": 0.219969158, "hidden": true},
  {"slug": "liters-to-milliliters", "name": "Liters to Milliliters", "category": "volume", "type": "standard", "teaser": "Convert liters to milliliters.", "labels": {"in1": "Liters", "in2": "Milliliters"}, "factor": 1000.0},
-  {"slug": "liters-to-acre-feet", "name": "Liters to Acre-feet", "category": "length", "type": "standard", "teaser": "Convert liters to acre-feet.", "labels": {"in1": "Liters", "in2": "Acre-feet"}, "factor": 8.107e-07},
+  {"slug": "liters-to-acre-feet", "name": "Liters to Acre-feet", "category": "length", "type": "standard", "teaser": "Convert liters to acre-feet.", "labels": {"in1": "Liters", "in2": "Acre-feet"}, "factor": 8.107e-07, "hidden": true},
  {"slug": "liters-to-barrel-us-oil", "name": "Liters to Barrel (US oil)", "category": "volume", "type": "standard", "teaser": "Convert liters to US oil barrels.", "labels": {"in1": "Liters", "in2": "Barrel (US oil)"}, "factor": 0.00628981077},
  {"slug": "liters-to-bushels", "name": "Liters to Bushels", "category": "volume", "type": "standard", "teaser": "Convert liters to US dry bushels.", "labels": {"in1": "Liters", "in2": "Bushels"}, "factor": 0.0284130625},
  {"slug": "liters-to-centiliters", "name": "Liters to Centiliters", "category": "volume", "type": "standard", "teaser": "Convert liters to centiliters.", "labels": {"in1": "Liters", "in2": "Centiliters"}, "factor": 100.0},