Energy Converter
Convert between joules, calories, kilowatt-hours, BTU, electronvolts, and more energy units.
Energy Converter
Enter a value and select units to convert
Common Values
| Joule | Kilojoule |
|---|---|
| 0.001 J | 1.0000e-6 kJ |
| 0.01 J | 1.0000e-5 kJ |
| 0.1 J | 0.0001 kJ |
| 1 J | 0.001 kJ |
| 2 J | 0.002 kJ |
| 5 J | 0.005 kJ |
| 10 J | 0.01 kJ |
| 25 J | 0.025 kJ |
| 50 J | 0.05 kJ |
| 100 J | 0.1 kJ |
| 1000 J | 1 kJ |
Available Units
Joule
J
Kilojoule
kJ
Calorie
cal
Kilocalorie
kcal
Watt-hour
Wh
Kilowatt-hour
kWh
BTU
BTU
Electronvolt
eV
Therm
therm
Foot-pound
ft·lbf
Related Converters
About Energy Conversion
The Energy Converter allows you to convert between 10 different units including Joule, Kilojoule, Calorie, Kilocalorie, Watt-hour, and 5 more.
Simply enter a value, select the source and target units, and get instant, accurate results. This converter is part of the Common converters category on FastConvert.