# Active Calculators Registry

This document lists all active calculators on `howdoyouconvert.com`. 
Whenever a new calculator is published via the REST API, it must be appended here including its matching Javascript element ID.

| Calculator Name | Page Post ID | Kadence JS Element ID | Slug | Conversion Factor |
| :--- | :--- | :--- | :--- | :--- |
| Inches to Feet | 16 | 57 | inches-to-feet | 12 |
| Kilograms to Pounds | 54 | 28 | kilograms-to-pounds | 0.453592 |
| Miles to Kilometers | 102 | 103 | miles-to-kilometers | 0.62137119 |
| Acres to Hectares | 107 | 108 | acres-to-hectares | 0.404686 |
| Acres to Square Feet | 109 | 110 | acres-to-square-feet | 43560.0 |
| Angstroms to Nanometers | 111 | 112 | angstroms-to-nanometers | 0.1 |
| Apothecary Ounces to Grams | 113 | 114 | apothecary-ounces-to-grams | 31.1034768 |
| Astronomical Units to Light Years | 115 | 116 | astronomical-units-to-light-years | 0.0000158125074 |
| Atmosphere to mmHg | 117 | 118 | atmosphere-to-mmhg | 760.0 |

## Backlog / To-Do
- [x] Acres to hectares
- [x] Acres to square feet
- [ ] Amps to volts
- [ ] Amps to watts
- [x] Angstroms to nanometers
- [x] Apothecary ounces to grams
- [ ] ASCII to binary
- [x] Astronomical units to light years
- [x] Atmosphere to mmHg
- [ ] Attograms to femtograms
- [ ] Bar to Pascal
- [ ] Bar to PSI
- [ ] Becquerel to curie
- [ ] Becquerel to rutherford
- [ ] Binary to ASCII
- [ ] Binary to decimal
- [ ] Binary to hex
- [ ] Bits to bytes
- [ ] BTU to kilojoules
- [ ] BTU/hour to watts
- [ ] Bytes to bits
- [ ] Calories to joules
- [ ] Calories to kilojoules
- [ ] Candela to lumens
- [ ] Carats to grams
- [ ] Celsius to Fahrenheit
- [ ] Centimeters to inches
- [ ] CFS to CMS
- [ ] CMS to CFS
- [ ] Coulomb per kilogram to roentgen
- [ ] Cups to milliliters
- [ ] Curie to becquerel
- [ ] Daltons to atomic mass units
- [ ] Days to hours
- [ ] Days to weeks
- [ ] Days to years
- [ ] Decimal degrees to degrees, minutes, and seconds
- [ ] Decimal to binary
- [ ] Decimal to fraction
- [ ] Decimal to hex
- [ ] Decimal to octal
- [ ] Decibels to intensity
- [ ] Decibels to sound pressure level
- [ ] Decibels to volts
- [ ] Decibels to watts
- [ ] Degrees to mils
- [ ] Degrees to radians
- [ ] Degrees, minutes, and seconds to decimal degrees
- [ ] Dynes to newtons
- [ ] Ergs to joules
- [ ] Fahrenheit to Celsius
- [ ] Feet to meters
- [ ] Feet per second to meters per second
- [ ] Femtograms to attograms
- [ ] Fluid ounces to milliliters
- [ ] Foot-pounds to newton-meters
- [ ] Fractions to decimals
- [ ] Gallons per minute to liters per second
- [ ] Gallons to liters
- [ ] Gigabytes to megabytes
- [ ] Gigabytes to terabytes
- [ ] Grains to grams
- [ ] Grams to apothecary ounces
- [ ] Grams to carats
- [ ] Grams to grains
- [ ] Grams to milligrams
- [ ] Grams to moles (requires molar mass — see list 2 if chemical context unknown)
- [ ] Grams to ounces
- [ ] Grams to pennyweights
- [ ] Grams to troy ounces
- [ ] Gray to rad
- [ ] Hectares to acres
- [ ] Hex to binary
- [ ] Hex to decimal
- [ ] Horsepower to kilowatts
- [ ] Hours to days
- [ ] Hours to minutes
- [ ] Inches of mercury to pascals
- [ ] Inches of water to pascals
- [ ] Inches to centimeters
- [ ] Inches to millimeters
- [ ] Joules to calories
- [ ] Joules to ergs
- [ ] Kilocalories to kilojoules
- [ ] Kilograms to pounds
- [ ] Kilograms to slugs
- [ ] Kilojoules to BTU
- [ ] Kilojoules to kilocalories
- [ ] Kilometers per hour to miles per hour
- [ ] Kilometers to miles
- [ ] Kilometers to nautical miles
- [ ] Kilowatts to horsepower
- [ ] Kilowatts to tons of refrigeration
- [ ] Kilowatt-hours to megajoules
- [ ] Knots to miles per hour
- [ ] Light years to astronomical units
- [ ] Light years to parsecs
- [ ] Liters per second to gallons per minute
- [ ] Liters to gallons
- [ ] Liters to pints
- [ ] Liters to quarts
- [ ] Long tons to metric tons
- [ ] Lumens to candela
- [ ] Lumens to lux
- [ ] Lux to lumens
- [ ] Megabytes to gigabytes
- [ ] Megajoules to kilowatt-hours
- [ ] Megapascals to PSI
- [ ] Megapixels to resolution (geometric math only)
- [ ] Meters per second to feet per second
- [ ] Meters per second to miles per hour
- [ ] Meters per second to yards per second
- [ ] Meters to feet
- [ ] Meters to yards
- [ ] Metric tons to long tons
- [ ] Metric tons to short tons
- [ ] Micrograms to milligrams
- [ ] Micrometers to millimeters
- [ ] Micrometers to nanometers
- [ ] Microns to angstroms
- [ ] Miles per gallon to kilometers per liter
- [ ] Miles per gallon to liters per 100 km
- [ ] Miles per hour to kilometers per hour
- [ ] Miles per hour to knots
- [ ] Miles per hour to meters per second
- [ ] Miles to kilometers
- [ ] Milligrams to grams
- [ ] Milligrams to micrograms
- [ ] Milliliters to cups
- [ ] Milliliters to fluid ounces
- [ ] Milliliters to tablespoons
- [ ] Milliliters to teaspoons
- [ ] Millimeters to inches
- [ ] Millimeters to microns
- [ ] Minutes to hours
- [ ] Minutes to seconds
- [ ] Nanograms to picograms
- [ ] Nanometers to micrometers
- [ ] Nautical miles to kilometers
- [ ] Newton-meters to foot-pounds
- [ ] Newtons to dynes
- [ ] Ohms to siemens
- [ ] Ounces to grams
- [ ] Ounces to pounds
- [ ] Pascal to atmosphere
- [ ] Pascals to inches of mercury
- [ ] Pascals to inches of water
- [ ] Pennyweights to grams
- [ ] Percent to PPM
- [ ] Pints to liters
- [ ] Pounds to kilograms
- [ ] Pounds to ounces
- [ ] Pounds to stones
- [ ] Pounds to tons
- [ ] PPI to DPI
- [ ] PSI to bar
- [ ] PSI to megapascals
- [ ] Rad to gray
- [ ] Rad/s to RPM
- [ ] Radians to degrees
- [ ] Rem to sievert
- [ ] Roentgen to coulomb per kilogram
- [ ] RPM to rad/s
- [ ] Rutherford to becquerel
- [ ] Seconds to milliseconds
- [ ] Seconds to minutes
- [ ] Siemens to ohms
- [ ] Sievert to rem
- [ ] Slugs to kilograms
- [ ] Sound pressure level to decibels
- [ ] Square centimeters to square inches
- [ ] Square feet to acres
- [ ] Square feet to square meters
- [ ] Square inches to square centimeters
- [ ] Square kilometers to square meters
- [ ] Square meters to square feet
- [ ] Square meters to square kilometers
- [ ] Square miles to square yards
- [ ] Square yards to square miles
- [ ] Stones to pounds
- [ ] Tablespoons to milliliters
- [ ] Teaspoons to milliliters
- [ ] Terabytes to gigabytes
- [ ] Terabytes to petabytes
- [ ] Tons of refrigeration to kilowatts
- [ ] Tons to pounds
- [ ] Torr to Pascal
- [ ] Troy ounces to grams
- [ ] Volts to amps
- [ ] Volts to decibels
- [ ] Watts to amps
- [ ] Watts to BTU/hour
- [ ] Watts to decibels
- [ ] Watts to horsepower
- [ ] Weeks to months
- [ ] Yards per second to meters per second
- [ ] Yards to meters
- [ ] Yoctograms to zeptograms
- [ ] Zeptograms to yoctograms