Unit Converter

Fast, free & accurate unit conversions

Categories

Length

Distance and length measurements

Weight & Mass

Weight and mass measurements

Temperature

Temperature scales

Volume

Volume and capacity measurements

Area

Surface area measurements

Speed

Speed and velocity measurements

Time

Time duration measurements

Pressure

Pressure measurements

Energy

Energy measurements

Power

Power measurements

Data Storage

Digital data size measurements

Angle

Angle measurements

Fuel Economy

Fuel efficiency measurements

Frequency

Frequency measurements

Torque

Rotational force measurements

Force

Force measurements

Acceleration

Acceleration measurements

Data Transfer Rate

Internet and data transfer speeds

Calendar Years

Japanese eras, Buddhist and ROC calendar years

Battery Capacity

mAh, Ah and Wh at 3.7 V nominal (Li-ion)

Blood Sugar (Glucose)

Glucose conversions: mg/dL, mmol/L and g/L

Density

Density measurements

Flow Rate

Volumetric flow measurements

Magnetic Field

Magnetic flux density units

Illuminance

Light level units (lux, foot-candle)

Luminance

Screen brightness units (nits, cd/m²)

Radiation Dose

Equivalent dose units (Sv, rem)

Concentration

ppm, ppb, percent and mg/L

Insulation R-value

US R-value and metric RSI

Gold Purity

Karat, fineness (‰) and percent

Popular Conversions

km to mi mi to km kg to lb lb to kg °C to °F °F to °C L to gal gal to L km² to mi² mi² to km² km/h to mph mph to km/h h to min min to s bar to psi psi to bar J to cal cal to J W to kW kW to W GB to MB MB to GB ° to rad rad to ° L/100km to mpg mpg to L/100km Hz to kHz kHz to MHz N·m to lb-ft lb-ft to N·m N to lbf lbf to N g to m/s² m/s² to g Mbps to MB/s MB/s to Mbps R to CE CE to R mAh to Wh Wh to mAh mg/dL to mmol/L mmol/L to mg/dL g/cm³ to kg/m³ kg/m³ to g/cm³ GPM to L/min L/min to GPM T to G G to T fc to lx lx to fc cd/m² (nit) to fL fL to cd/m² (nit) mSv to mrem mrem to mSv ppm to % % to ppm R (US) to RSI RSI to R (US) K to ‰ fine ‰ fine to K