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Energy Converter

Convert between joules, calories, kilowatt-hours, BTU, electronvolts and more.

All Energy Converters

Joules to Kilojoules
J → kJ
→
Joules to Megajoules
J → MJ
→
Joules to Calories
J → cal
→
Joules to Kilocalories
J → kcal
→
Joules to Kilowatt-hours
J → kWh
→
Joules to Megawatt-hours
J → MWh
→
Joules to BTU
J → BTU
→
Joules to Electronvolts
J → eV
→
Kilojoules to Joules
kJ → J
→
Kilojoules to Megajoules
kJ → MJ
→
Kilojoules to Calories
kJ → cal
→
Kilojoules to Kilocalories
kJ → kcal
→
Kilojoules to Kilowatt-hours
kJ → kWh
→
Kilojoules to Megawatt-hours
kJ → MWh
→
Kilojoules to BTU
kJ → BTU
→
Kilojoules to Electronvolts
kJ → eV
→
Megajoules to Joules
MJ → J
→
Megajoules to Kilojoules
MJ → kJ
→
Megajoules to Calories
MJ → cal
→
Megajoules to Kilocalories
MJ → kcal
→
Megajoules to Kilowatt-hours
MJ → kWh
→
Megajoules to Megawatt-hours
MJ → MWh
→
Megajoules to BTU
MJ → BTU
→
Megajoules to Electronvolts
MJ → eV
→
Calories to Joules
cal → J
→
Calories to Kilojoules
cal → kJ
→
Calories to Megajoules
cal → MJ
→
Calories to Kilocalories
cal → kcal
→
Calories to Kilowatt-hours
cal → kWh
→
Calories to Megawatt-hours
cal → MWh
→
Calories to BTU
cal → BTU
→
Calories to Electronvolts
cal → eV
→
Kilocalories to Joules
kcal → J
→
Kilocalories to Kilojoules
kcal → kJ
→
Kilocalories to Megajoules
kcal → MJ
→
Kilocalories to Calories
kcal → cal
→
Kilocalories to Kilowatt-hours
kcal → kWh
→
Kilocalories to Megawatt-hours
kcal → MWh
→
Kilocalories to BTU
kcal → BTU
→
Kilocalories to Electronvolts
kcal → eV
→
Kilowatt-hours to Joules
kWh → J
→
Kilowatt-hours to Kilojoules
kWh → kJ
→
Kilowatt-hours to Megajoules
kWh → MJ
→
Kilowatt-hours to Calories
kWh → cal
→
Kilowatt-hours to Kilocalories
kWh → kcal
→
Kilowatt-hours to Megawatt-hours
kWh → MWh
→
Kilowatt-hours to BTU
kWh → BTU
→
Kilowatt-hours to Electronvolts
kWh → eV
→
Megawatt-hours to Joules
MWh → J
→
Megawatt-hours to Kilojoules
MWh → kJ
→
Megawatt-hours to Megajoules
MWh → MJ
→
Megawatt-hours to Calories
MWh → cal
→
Megawatt-hours to Kilocalories
MWh → kcal
→
Megawatt-hours to Kilowatt-hours
MWh → kWh
→
Megawatt-hours to BTU
MWh → BTU
→
Megawatt-hours to Electronvolts
MWh → eV
→
BTU to Joules
BTU → J
→
BTU to Kilojoules
BTU → kJ
→
BTU to Megajoules
BTU → MJ
→
BTU to Calories
BTU → cal
→
BTU to Kilocalories
BTU → kcal
→
BTU to Kilowatt-hours
BTU → kWh
→
BTU to Megawatt-hours
BTU → MWh
→
BTU to Electronvolts
BTU → eV
→
Electronvolts to Joules
eV → J
→
Electronvolts to Kilojoules
eV → kJ
→
Electronvolts to Megajoules
eV → MJ
→
Electronvolts to Calories
eV → cal
→
Electronvolts to Kilocalories
eV → kcal
→
Electronvolts to Kilowatt-hours
eV → kWh
→
Electronvolts to Megawatt-hours
eV → MWh
→
Electronvolts to BTU
eV → BTU
→

About Energy Units

Energy is measured in joules (J) in SI. One calorie = 4.184 J. One kWh = 3,600,000 J. BTU (British Thermal Unit) is used in the US heating industry.

Units Covered