Unit converters
Works in your browser. Nothing is uploaded.Energy converter
Kilowatt-hours to joules, megajoules, calories, kilocalories, BTU and therms.
kWh
Megajoule
–
A food Calorie is a kilocalorie. Electricity is billed in kilowatt-hours.
- Joule–
- Kilojoule–
- Megajoule–
- Calorie–
- Kilocalorie–
- Watt-hour–
- Kilowatt-hour–
- British thermal unit–
- Therm–
Unit converters
Trade unit converterFeet, inches and fractions, board feet, roofing squares.Volume converterGallons, litres, cubic feet and cupsWeight converterPounds, kilograms, ounces, stones and tonsTemperature converterFahrenheit, Celsius and KelvinSpeed convertermph, km/h, m/s and knotsTime converterSeconds, minutes, hours, days and weeksFuel economy convertermpg, L/100 km and km/LSlope converterDegrees, percent, 1 : n and pitchAngle converterDegrees, radians, gradians and DMSPressure converterpsi, bar, kPa and atmForce converterNewtons, kN, kgf and lbfTorque converterN·m, lbf·ft and lbf·inDensity converterkg/m³, g/cm³, lb/ft³ and lb/galFlow rate convertergpm, L/min, m³/h and cfmEnergy converterkWh, joules, calories and BTUPower converterhp, kW, W and BTU/hFrequency converterHz, kHz, MHz, GHz and rpmData storage converterMB, GB, TB, GiB and bitsLux and foot-candlesLux, kilolux and foot-candlesMagnetic field converterGauss, tesla, µT and mG
How to use it
- Type the value
The number you have, like 1 for 1 kWh.
- Pick its unit
J, kJ, MJ, cal, kcal, Wh, kWh, BTU or therms.
- Read or copy
Every other unit follows. Tap copy beside the one you need.
Tips
- Bills
Electricity is billed in kWh; gas may be billed in kWh, therms or cubic metres.
- Food
A food Calorie is a kilocalorie, about 4.2 kJ.
- Heating
Heaters and boilers are often rated in BTU per hour; see the power converter.
In the app
Unit converter in Angle Meter
- Every unit of a kind on one screen
- Typed conversions like 5′ 7 3/8″ to mm
- Pinned unit pairs and a conversion list
- Voice commands
Get it onGoogle PlayComing soon to the App Store
Unit converter guide ›