Convert joules to kilocalories and kcal to joules instantly. Bidirectional energy converter with formula and common values.
Divide the joule value by 4,184 to get kilocalories. This conversion is common when translating SI energy measurements to nutritional energy units.
| Joules | Kilocalories |
|---|---|
| 4,184 | 1.000 |
| 20,920 | 5.000 |
| 41,840 | 10.00 |
| 104,600 | 25.00 |
| 418,400 | 100.0 |
| 2,092,000 | 500.0 |
| 4,184,000 | 1,000 |
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One joule equals approximately 0.000239006 kilocalories. You need about 4,184 joules to make one kilocalorie.
Divide the joule value by 4,184 (or multiply by 0.000239006). For example, 8,368 J ÷ 4,184 = 2.0 kcal.
One food Calorie (capital C) equals one kilocalorie, which equals 4,184 joules. A 200-Calorie snack contains 836,800 joules.
EU regulations require energy values in kilojoules (kJ) as the primary unit, with kilocalories as optional. This follows the SI system where the joule is the standard energy unit.