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Unit Conversion Categories

Browse through our comprehensive collection of unit converters, organized by category. Each category contains dozens of specific converters to help you with any conversion need.

Length

Convert between cm, inches, feet, meters, miles, and more

Popular conversions:

cm to inchesfeet to metersmiles to km

Weight

Convert between kg, lbs, grams, ounces, and more

Popular conversions:

kg to lbsgrams to ouncespounds to ounces

Temperature

Convert between Celsius, Fahrenheit, Kelvin, and more

Popular conversions:

Celsius to FahrenheitFahrenheit to Kelvin

Volume

Convert between liters, gallons, cups, ml, and more

Popular conversions:

liters to gallonsml to cupsgallons to quarts

Speed

Convert between mph, kph, m/s, knots, and more

Popular conversions:

mph to kphknots to mphm/s to kph

Area

Convert between square meters, acres, square feet, and more

Popular conversions:

acres to square feetsquare meters to acres

Power

Convert between watts, kilowatts, horsepower, and more

Popular conversions:

hp to kwwatts to kilowattshorsepower to watts

Pressure

Convert between psi, bar, pascal, and more

Popular conversions:

psi to barkpa to psibar to pascal

Data

Convert between MB, GB, KB, bytes, and more

Popular conversions:

MB to GBKB to MBbytes to GB

Energy

Convert between joules, calories, kWh, and more

Popular conversions:

kJ to kcaljoules to calorieskWh to MJ