Free instant J → kcal converter. No signup, no uploads — everything is calculated privately in your browser.
1 J = 0.000239006 kilocalories
1 joules = 0.000239006 kilocalories
Free, instant, and 100% private — every calculation runs in your browser. Nothing is uploaded.
1 joule equals 0.000239006 kilocalories. To convert joules to kilocalories, divide the value by 4184.
1 joule = 0.000239006 kilocalories. Formula: value ÷ 4184
Example: 1 J → 0.000239006 kcal. Type any value in the converter above to see it converted live.
| Joules (J) | Kilocalories (kcal) |
|---|---|
| 1 J | 0.000239006 kcal |
| 2 J | 0.000478011 kcal |
| 5 J | 0.00119503 kcal |
| 10 J | 0.00239006 kcal |
| 25 J | 0.00597514 kcal |
| 50 J | 0.0119503 kcal |
| 100 J | 0.0239006 kcal |
| 250 J | 0.0597514 kcal |
| 500 J | 0.119503 kcal |
| 1,000 J | 0.239006 kcal |
1 joule = 0.000239006 kilocalories. Formula: value ÷ 4184. Enter the value above and the result appears instantly — the calculation runs entirely in your browser.
Exactly: 1 joule = 0.0002390057361376673 kilocalories. The reverse factor is 1 kilocalorie = 4184 joules.
1 J = 0.000239006 kcal; 10 J = 0.00239006 kcal; 100 J = 0.0239006 kcal. Use the full conversion table below for more reference values.
No — and the capital letter matters. A food Calorie (with a capital C) is a kilocalorie: 1,000 small calories. This converter treats them correctly: 1 kcal = 4.184 kJ = 1,000 cal. Energy labels on food almost always mean kilocalories, even where the label just says "calories".