Free instant J → cal converter. No signup, no uploads — everything is calculated privately in your browser.
1 J = 0.239006 calories
1 joules = 0.239006 calories
Free, instant, and 100% private — every calculation runs in your browser. Nothing is uploaded.
1 joule equals 0.239006 calories. To convert joules to calories, divide the value by 4.184.
1 joule = 0.239006 calories. Formula: value ÷ 4.184
Example: 1 J → 0.239006 cal. Type any value in the converter above to see it converted live.
| Joules (J) | Calories (cal) |
|---|---|
| 1 J | 0.239006 cal |
| 2 J | 0.478011 cal |
| 5 J | 1.19503 cal |
| 10 J | 2.39006 cal |
| 25 J | 5.97514 cal |
| 50 J | 11.9503 cal |
| 100 J | 23.9006 cal |
| 250 J | 59.7514 cal |
| 500 J | 119.503 cal |
| 1,000 J | 239.006 cal |
1 joule = 0.239006 calories. Formula: value ÷ 4.184. Enter the value above and the result appears instantly — the calculation runs entirely in your browser.
Exactly: 1 joule = 0.2390057361376673 calories. The reverse factor is 1 calorie = 4.184 joules.
1 J = 0.239006 cal; 10 J = 2.39006 cal; 100 J = 23.9006 cal. 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".