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⇄Unit Conversions

Unit Conversions Calculators

Length, weight, temperature, volume, and more · 1 calculators

Unit Converter

Convert between any units — length, weight, temperature, volume, speed, area, and more. Fast, accurate, and easy to use.

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Popular Conversions

Jump straight to a specific conversion — each opens its own converter, formula, and reference table.

Length20

Weight16

kg → lbs lbs → kg g → oz oz → g stone → lbs lbs → stone mg → g g → mg tonnes → kg kg → tonnes lbs → grams grams → lbs micrograms → mg mg → micrograms troy-oz → grams grams → troy-oz

Temperature4

celsius → fahrenheit fahrenheit → celsius celsius → kelvin kelvin → celsius

Volume24

Speed12

mph → kmh kmh → mph ms → mph mph → ms knots → mph mph → knots fps → mph mph → fps kmh → ms ms → kmh knots → kmh kmh → knots

Area12

sqft → sqm sqm → sqft acres → sqft sqft → acres hectares → acres acres → hectares sqkm → sqmiles sqmiles → sqkm sqyards → sqm sqm → sqyards sqinches → sqcm sqcm → sqinches

Data14

mb → gb gb → mb gb → tb tb → gb kb → mb mb → kb mbps → mbps-byte mbps-byte → mbps bits → bytes bytes → bits tb → pb pb → tb bytes → kb kb → bytes

Energy8

joules → calories calories → joules kwh → joules joules → kwh calories → kilojoules kilojoules → calories btu → joules joules → btu

Power4

watts → horsepower horsepower → watts kilowatts → horsepower horsepower → kilowatts

Pressure10

psi → bar bar → psi atm → psi psi → atm bar → kpa kpa → bar psi → kpa kpa → psi mmhg → psi psi → mmhg

Angle2

degrees → radians radians → degrees

Fuel Economy2

mpg → l-per-100km l-per-100km → mpg

Frequency6

hz → khz khz → hz khz → mhz mhz → khz mhz → ghz ghz → mhz

Time10

hours → minutes minutes → hours days → hours hours → days weeks → days days → weeks minutes → seconds seconds → minutes years → days days → years