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Convert joules, calories, kilocalories, kWh, BTU, therms, foot-pounds and electronvolts.
Also covers: kcal to kJ · Calories to joules · kWh to BTU · Joules converter
Calories are thermochemical (1 cal = 4.184 J). A food Calorie is a kilocalorie.
Kilocalorie (food Calorie) to Kilojoule
418.4 kJ
100 kcal = 418.4 kJ
Working
100 kcal in every unit
kcal to kJ table
| kcal | kJ |
|---|---|
| 1 | 4.184 |
| 2 | 8.368 |
| 5 | 20.92 |
| 10 | 41.84 |
| 20 | 83.68 |
| 50 | 209.2 |
| 100 | 418.4 |
| 500 | 2,092 |
| 1,000 | 4,184 |
Type the energy you want to convert.
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The answer shows with the conversion factor, a quick table, and the value in every other unit.
No. A food Calorie (capital C) is a kilocalorie: 1,000 calories, or 4.184 kJ.
3,600,000 — a kilowatt for an hour is 1,000 J/s × 3,600 s.
About 3,412.14 BTU, using the International Table BTU (1,055.05585262 J).
The thermochemical calorie, exactly 4.184 J, which is also the one used on food labels in kcal.
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