Free instant BTU → kcal converter. No signup, no uploads — everything is calculated privately in your browser.
1 BTU = 0.252164 kilocalories
1 btu = 0.252164 kilocalories
Free, instant, and 100% private — every calculation runs in your browser. Nothing is uploaded.
1 British thermal unit equals 0.252164 kilocalories. To convert btu to kilocalories, divide the value by 3.9656668313909194.
1 British thermal unit = 0.252164 kilocalories. Formula: value ÷ 3.9656668313909194
Example: 1 BTU → 0.252164 kcal. Type any value in the converter above to see it converted live.
| BTU (BTU) | Kilocalories (kcal) |
|---|---|
| 1 BTU | 0.252164 kcal |
| 2 BTU | 0.504329 kcal |
| 5 BTU | 1.26082 kcal |
| 10 BTU | 2.52164 kcal |
| 25 BTU | 6.30411 kcal |
| 50 BTU | 12.6082 kcal |
| 100 BTU | 25.2164 kcal |
| 250 BTU | 63.0411 kcal |
| 500 BTU | 126.082 kcal |
| 1,000 BTU | 252.164 kcal |
1 British thermal unit = 0.252164 kilocalories. Formula: value ÷ 3.9656668313909194. Enter the value above and the result appears instantly — the calculation runs entirely in your browser.
Exactly: 1 British thermal unit = 0.2521644007217973 kilocalories. The reverse factor is 1 kilocalorie = 3.9656668313909194 btu.
1 BTU = 0.252164 kcal; 10 BTU = 2.52164 kcal; 100 BTU = 25.2164 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".