Conversion calculators
264 calculators in 13 groups. Each one shows its formula, a worked example and its sources.
Area 17
- Acre to are conversion
- Acreage calculator
- Acres to hectares converter
- Area converter
- Acres to square miles calculator
- Area converter
- Ares to cents converter
- Ares to hectares converter
- Cent to square metre converter
- Katha to square feet converter
- Land area converter
- Square centimetres to square millimetres converter
- Square inch to square foot converter
- Square kilometres to acres conversion
- Square metres to square feet converter
- Square miles to square km converter
- Yards to acres calculator
Cooking 10
- Cups to gallons converter
- Cups to fluid ounces converter
- Cups to pints converter
- Cups to quarts converter
- Millilitres to tablespoons converter
- Millilitres to cups converter
- Millilitres to teaspoons converter
- Fluid ounces to cups converter
- Tablespoons to millilitres converter
- Teaspoons to millilitres converter
Earth measurements 7
Force, pressure, and torque 33
- Atmosphere conversion calculator
- Atm to pascals converter
- Bar to atm converter
- Bar to psi converter
- Bar to psig converter
- Barometric pressure conversion calculator
- Force converter
- Inch-lbs to Nm converter
- Inch-pounds to foot-pounds converter
- kg/cm² to psi converter
- kPa to atm converter
- kPa to mmHg converter
- kPa to psi converter
- KSI to MPa converter
- KSI to PSI converter
- Lbs to newtons converter
- Pounds per square foot to psi converter
- Millimetres of mercury to atmospheres converter
- Megapascal converter
- Megapascals to psi converter
- MPa to psig converter
- Newton meter calculator
- Nm to joules calculator
- Nm to ft-lbs converter
- Pa to psi converter
- Pascal conversion calculator
- Pressure converter
- psi to atm converter
- PSI to GPM calculator
- psi to inches of water converter
- PSIG to PSIA converter
- Torque to hp calculator
- Torr to atm conversion
Length 42
- Angstrom to nanometre converter
- Astronomical unit calculator
- Centimetre calculator
- Centimetres to feet and inches converter
- Centimetres to inches converter
- Cm to km converter
- Cm to m converter
- Cm to mm converter
- Decimetre to metre converter
- Feet and inches calculator
- Feet to inches converter
- Feet to miles converter
- Feet to yards converter
- Feet to centimetres converter
- Height in inches calculator
- Inches to metres converter
- Inches to fraction calculator
- Inches to yards converter
- Kilometres to metres converter
- Kilometres to miles converter
- Kilometres to feet converter
- Length converter
- Light year conversion
- Mesh to micron converter
- Metres to miles converter
- Metres to feet converter
- Metric to inches converter
- Metric to SAE converter
- Micrometre converter
- Micron to mil converter
- Mil converter
- Mil to inch converter
- Mil to millimetre converter
- Millimetres to feet converter
- Millimetres to inches converter
- Millimetres to kilometres converter
- Millimetres to metres converter
- Nanometre converter
- Nanometres to metres converter
- Pixels to inches converter
- Yard to mile converter
- Yards to metres converter
Number 23
- Billion to trillion converter
- Binary converter
- Binary to hexadecimal converter
- Binary to octal converter
- Cents to dollars calculator
- Cents to euros calculator
- Crore to lakh converter
- Crore to million converter
- Decimal to hexadecimal converter
- Decimal to octal converter
- Dimes to dollars calculator
- Gematria calculator
- Greek gematria calculator
- Hexadecimal converter
- Million to billion converter
- Million to lakh converter
- Million to thousand converter
- Nickels to dollars calculator
- Number to billion converter
- Number to million converter
- Quantity converter
- Quarters to dollars calculator
- Roman numerals converter
Other 21
- Angle converter
- CCF to therms calculator
- CGS system of units converter
- Conversion calculator
- Dimensional analysis calculator
- Energy converter
- MPG to L/100 km converter
- Grams to calories calculator
- Hardness conversion calculator
- Imperial to metric converter
- Knots to kph converter
- Knots to mph converter
- Metric to imperial converter
- m/s to km/h converter
- Natural gas converter
- Paper quantity converter
- PPM calculator
- PPM to mg/L converter
- Radiation converter
- Speed converter
- Weird units converter
Tech and electronics converters 20
- Byte converter
- Capacitance converter
- Colour converter
- cps converter
- dBm to watts calculator
- HEX to RGB converter
- Joules to volts calculator
- Kilobytes to megabytes converter
- Leet-speak translator
- Lowercase to uppercase converter
- MB to GB converter
- Mbps converter
- Mbps to Gbps converter
- Power converter
- Px to em converter
- RGB to HEX converter
- RMS watts to peak watts converter
- Unicode text converter
- Unix time converter
- Uppercase to lowercase converter
Temperature 7
Time converters 27
- Day converter
- Days to months calculator
- Days to weeks calculator
- Days to years calculator
- Hours to days converter
- Hours to seconds converter
- Hours to weeks converter
- Hours to years converter
- Military time converter
- Milliseconds converter
- Minute converter
- Minutes to days converter
- Minutes to decimal time calculator
- Minutes to hours converter
- Minutes to seconds converter
- Minutes to years converter
- Months to years converter
- Milliseconds to seconds converter
- Seconds to days converter
- Seconds to minutes converter
- Seconds to years converter
- Time unit converter
- Time zones converter
- Weeks to months calculator
- Weeks to years converter
- Years to decades calculator
- Zulu time converter
Volume 13
- Cc to litre converter
- Cc to mL converter
- Cc to fluid ounces converter
- Cubic feet to cubic metres converter
- Cubic feet to gallons converter
- Cubic inches to gallons converter
- Gallons to pints converter
- Gallons to quarts converter
- Litres to gallons converter
- Litres to cc converter
- Volume converter
- Millilitres to microlitres converter
- Ounces to mL converter
Volume and weight converters 34
- Cc to grams converter
- CCF to gallons converter
- Cubic feet calculator
- Cubic feet to pounds calculator
- Cubic metre calculator
- Cubic metre to ton converter
- Cubic yards to tons converter
- Decagram to gram converter
- Density converter
- Drops to millilitres converter
- Fluid ounces to pounds converter
- Grams to ounces converter
- Gallon calculator
- Gallons to tons converter
- Gallons to grams converter
- Gallons to pounds converter
- Grams to litres converter
- Grams to fluid ounces converter
- kg to gallons converter
- Kilograms to litres converter
- Kilograms to millilitres converter
- Litres to centilitres converter
- Litres to pounds converter
- mcg to mg converter
- Milligrams to cc converter
- mg to mL calculator
- Milligrams to tablespoons converter
- Milligrams to teaspoons converter
- Millilitres to pounds converter
- Pint to pound converter
- Pounds and ounces calculator
- Price per litre to price per gallon converter
- Quarts to pounds converter
- Volume conversion calculator