feat: Add Acres to Hectares calculator and update the calculator backlog list.

calculators_list.md

@@ -8,3 +8,204 @@ Whenever a new calculator is published via the REST API, it must be appended her
 | 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 |
+
+## Backlog / To-Do
+- [ ] Acres to square feet
+- [ ] Amps to volts
+- [ ] Amps to watts
+- [ ] Angstroms to nanometers
+- [ ] Apothecary ounces to grams
+- [ ] ASCII to binary
+- [ ] Astronomical units to light years
+- [ ] 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