About the Energy Converter
Energy units measure the capacity to do work or produce heat. They are used in physics, nutrition, electricity billing and engineering.
This Energy converter supports 20 units. Choose a From unit and a To unit, type a value, and the result appears instantly. Press Swap Units to reverse the conversion.
1 joule in Other Units
| Unit | Equal to 1 joule |
|---|---|
| kilojoule | 0.001 |
| megajoule | 1 × 10-6 |
| calorie | 0.239006 |
| kilocalorie (food calorie) | 0.000239006 |
| watt-hour | 0.000277778 |
| kilowatt-hour | 2.77778 × 10-7 |
| megawatt-hour | 2.77778 × 10-10 |
| watt-second | 1 |
| electronvolt | 6.2415 × 1018 |
| BTU | 0.000947813 |
| therm | 9.47817 × 10-9 |
| erg | 10,000,000 |
| foot-pound | 0.737561 |
| inch-ounce | 141.612 |
| ton of TNT | 2.39006 × 10-10 |
| ton of refrigeration-hour | 7.89846 × 10-8 |
| newton-meter | 1 |
| poundal-foot | 23.7304 |
| kilogram-force meter | 0.101972 |
Energy Formula
Example: 10 joule = 0.01 kilojoule.
Supported Energy Units
joule, kilojoule, megajoule, calorie, kilocalorie (food calorie), watt-hour, kilowatt-hour, megawatt-hour, watt-second, electronvolt, BTU, therm, erg, foot-pound, inch-ounce, ton of TNT, ton of refrigeration-hour, newton-meter, poundal-foot, kilogram-force meter.
Popular Energy Conversions
Frequently Asked Questions
Which units does the Energy Converter support?
The Energy Converter supports 20 units: joule, kilojoule, megajoule, calorie, kilocalorie (food calorie), watt-hour, kilowatt-hour, megawatt-hour, watt-second, electronvolt, BTU, therm, erg, foot-pound, inch-ounce, ton of TNT, ton of refrigeration-hour, newton-meter, poundal-foot, kilogram-force meter.
How many kilojoule are in one joule?
One joule equals 0.001 kilojoule.
How do I convert joule to kilojoule?
To convert joule to kilojoule, multiply the value in joule by 0.001. For example, 10 joule = 0.01 kilojoule.