Btus to Kilocalories Converter
Convert British thermal unit to kilocalorie instantly. Type a value below — the result updates as you type.
When you need to convert British thermal unit to kilocalorie
Energy conversions appear on nutrition labels, utility bills and appliance specs, letting you compare food energy, electricity use and heating output on a common scale.
Typical values: 0.5 BTU is about 0.1261 kcal, and 100 BTU works out to roughly 25.2164 kcal. Because the ratio is fixed at 0.2522, you can scale any amount linearly — doubling the BTUs doubles the kilocalories.
Food packaging, power meters and heating equipment each prefer different energy units, so converting makes them directly comparable.
How to convert British thermal unit to kilocalorie
One British thermal unit equals 0.2522 kilocalories. To convert, multiply the number of BTUs by 0.2522:
kilocalories = BTUs × 0.2522
For example, 10 BTUs × 0.2522 = 2.5216 kilocalories.
Btus to kilocalories conversion table
| Energy (BTU) | Kilocalories (kcal) |
|---|---|
| 1 BTU | 0.2522 kcal |
| 2 BTU | 0.5043 kcal |
| 3 BTU | 0.7565 kcal |
| 5 BTU | 1.2608 kcal |
| 10 BTU | 2.5216 kcal |
| 20 BTU | 5.0433 kcal |
| 50 BTU | 12.6082 kcal |
| 100 BTU | 25.2164 kcal |
FAQ
How many kilocalories are in a British thermal unit?
One British thermal unit = 0.2522 kilocalories.
How do I convert kilocalories back to BTUs?
Divide by 0.2522, or use the kilocalories to BTUs converter.