BTU to kilocalories
Convert btu to kilocalorie (food cal) — instant, free, with the formula shown.
How to convert btu to kilocalorie (food cal)
To convert btu to kilocalorie (food cal), multiply by 0.2521644:
For example, 10 BTU × 0.252164 = 2.521644 kcal.
BTU to kcal conversion table
| BTU (BTU) | kilocalories (kcal) |
|---|---|
| 1 BTU | 0.252164 kcal |
| 2 BTU | 0.504329 kcal |
| 5 BTU | 1.260822 kcal |
| 10 BTU | 2.521644 kcal |
| 25 BTU | 6.30411 kcal |
| 50 BTU | 12.60822 kcal |
| 100 BTU | 25.21644 kcal |
| 250 BTU | 63.0411 kcal |
| 500 BTU | 126.0822 kcal |
| 1000 BTU | 252.1644 kcal |
Other btu conversions
Convert to kilocalorie (food cal) from another unit
BTU to kcal — frequently asked
How many kilocalories are in 1 btu?
1 btu = 0.252164 kilocalories (BTU × 0.252164 = kcal).
What is the formula to convert btu to kilocalorie (food cal)?
Multiply your btu value by 0.2521644 to get kilocalorie (food cal).
How do I convert 10 BTU to kilocalories?
10 BTU = 2.521644 kcal. For 100 BTU the answer is 25.21644 kcal. Use the calculator on this page for any other value.
When to convert btu to kilocalorie (food cal)
Energy conversion — common questions
Is a food calorie the same as a calorie?
No — a food 'Calorie' (capital C) actually means 1 kilocalorie = 1,000 small calories = 4,184 J. Nutrition labels typically write 'cal' meaning kcal.
How many joules in 1 kWh?
1 kWh = 3,600,000 J (3.6 MJ). Because 1 kW × 1 hour = 1,000 W × 3,600 s = 3,600,000 J.
What is a BTU?
British Thermal Unit — the energy required to raise 1 pound of water by 1 °F. 1 BTU ≈ 1,055 J.