Quick Answer
1 kilocalorie equals 3.96567 btu. To convert kilocalories to btu, multiply the value by this factor.
Key Facts
- Reverse: 1 British thermal unit = 0.252164 kilocalories.
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1 kcal = 3.96567 btu
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1 kilocalorie equals 3.96567 btu. To convert kilocalories to btu, multiply the value by this factor.
Formula: value × 3.96567
Prefer to skip the math? Type any value in the converter above and it converts instantly.
| Kilocalories (kcal) | BTU (BTU) |
|---|---|
| 1 kcal | 3.96567 BTU |
| 2 kcal | 7.93133 BTU |
| 5 kcal | 19.8283 BTU |
| 10 kcal | 39.6567 BTU |
| 25 kcal | 99.1417 BTU |
| 50 kcal | 198.283 BTU |
| 100 kcal | 396.567 BTU |
| 250 kcal | 991.417 BTU |
| 500 kcal | 1,982.83 BTU |
| 1,000 kcal | 3,965.67 BTU |
Enter the value above and the result appears instantly — the calculation runs entirely in your browser. Formula: value × 3.96567.
1 kilocalorie = 3.96567 btu (shown to 6 significant figures — the converter itself computes at full precision). The reverse factor is 1 British thermal unit = 0.252164 kilocalories.
1 kcal = 3.96567 BTU; 10 kcal = 39.6567 BTU; 100 kcal = 396.567 BTU. 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".