Convert kilojoules to kilocalories and kcal to kJ instantly. Bidirectional energy converter with formula and common values.
Divide the kilojoule value by 4.184 to get kilocalories. This is the reverse of the standard food label conversion factor.
| Kilojoules | Kilocalories |
|---|---|
| 100 | 23.90 |
| 500 | 119.5 |
| 1,000 | 239.0 |
| 2,000 | 478.0 |
| 4,184 | 1,000 |
| 6,000 | 1,434 |
| 8,368 | 2,000 |
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One kilojoule equals approximately 0.239006 kilocalories. It takes about 4.184 kJ to equal one kcal.
Divide the kJ value by 4.184 (or multiply by 0.239006). For example, 1,500 kJ ÷ 4.184 = 358.5 kcal.
Divide the kilojoule value by 4.184 to get the familiar kilocalorie (Calorie) value. A food item listing 840 kJ contains about 200 kcal.
Australia, New Zealand, and EU member states require kilojoules as the primary energy unit on food labels. Many also show kilocalories as a secondary value.