⚡ Energy Converter

56 free converters — pick a pair below. Instant results, formulas and conversion tables included.

From joules (J)

Joules to kilojoulesJoules to caloriesJoules to kilocaloriesJoules to watt-hoursJoules to kilowatt-hoursJoules to electronvoltsJoules to BTU

From kilojoules (kJ)

Kilojoules to joulesKilojoules to caloriesKilojoules to kilocaloriesKilojoules to watt-hoursKilojoules to kilowatt-hoursKilojoules to electronvoltsKilojoules to BTU

From calories (cal)

Calories to joulesCalories to kilojoulesCalories to kilocaloriesCalories to watt-hoursCalories to kilowatt-hoursCalories to electronvoltsCalories to BTU

From kilocalories (kcal)

Kilocalories to joulesKilocalories to kilojoulesKilocalories to caloriesKilocalories to watt-hoursKilocalories to kilowatt-hoursKilocalories to electronvoltsKilocalories to BTU

From watt-hours (Wh)

Watt-hours to joulesWatt-hours to kilojoulesWatt-hours to caloriesWatt-hours to kilocaloriesWatt-hours to kilowatt-hoursWatt-hours to electronvoltsWatt-hours to BTU

From kilowatt-hours (kWh)

Kilowatt-hours to joulesKilowatt-hours to kilojoulesKilowatt-hours to caloriesKilowatt-hours to kilocaloriesKilowatt-hours to watt-hoursKilowatt-hours to electronvoltsKilowatt-hours to BTU

From electronvolts (eV)

Electronvolts to joulesElectronvolts to kilojoulesElectronvolts to caloriesElectronvolts to kilocaloriesElectronvolts to watt-hoursElectronvolts to kilowatt-hoursElectronvolts to BTU

From BTU (BTU)

Btu to joulesBtu to kilojoulesBtu to caloriesBtu to kilocaloriesBtu to watt-hoursBtu to kilowatt-hoursBtu to electronvolts

Other categories

📏 Length Conversion⚖️ Weight Conversion🧊 Volume Conversion🌡️ Temperature Conversion🗺️ Area Conversion🏎️ Speed Conversion💾 Data Size Conversion⏱️ Time Conversion🎈 Pressure Conversion