Energy Converter
Convert between energy / work / heat units
110.181644
kcal
rate：1 kJ = 0.23900574 kcal
Results in all units
461 kJ| Unit | Symbol | Value |
|---|---|---|
| Metric | ||
| Joules | J | 461,000 |
| Kilojoules | kJ | 461 |
| Megajoules | MJ | 0.461 |
| Millijoules | mJ | 461,000,000 |
| Calories | cal | 110,181.644359 |
| Kilocalories | kcal | 110.181644 |
| Calories (nutritional) | Cal | 110.181644 |
| Watt hours | Wh | 128.055556 |
| Kilowatt hours | kWh | 0.128056 |
| Megawatt hours | MWh | 0.000128 |
| Ergs | erg | 4,610,000,000,000 |
| Electron volts | eV | 2.877336e+24 |
| Imperial / Other | ||
| British thermal units | BTU | 436.943692 |
| Foot pounds | ft·lb | 340,016.150817 |
| Horsepower hours | hp·h | 0.171725 |
| Therms | thm | 0.004369 |
| Tons of TNT | tTNT | 0.00011 |
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Common Scenarios
Energy conversion is widely used in energy trading, nutrition, and engineering thermodynamics. In nutrition, we often look at food labels converting between kilocalories (kcal) and kilojoules (kJ). On electricity bills, kilowatt-hours (kWh) are the billing unit.
History & Background
The concept of energy took a long time to form. Later, James Joule proved through his "mechanical equivalent of heat" experiment that heat and work are interconvertible, leading to the energy unit "joule" named after him.
Conversion Details
Energy conversion is based on the joule (J), covering work, heat and electrical energy.
Common conversions: 1 kcal = 4.184 kJ, 1 kWh = 3.6 MJ, 1 BTU ≈ 1,055 J.