Kilocalories to Btus Converter
Convert kilocalorie to British thermal unit instantly. Type a value below — the result updates as you type.
When you need to convert kilocalorie to British thermal unit
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 kcal is about 1.9828 BTU, and 100 kcal works out to roughly 396.5667 BTU. Because the ratio is fixed at 3.9657, you can scale any amount linearly — doubling the kilocalories doubles the BTUs.
Food packaging, power meters and heating equipment each prefer different energy units, so converting makes them directly comparable.
How to convert kilocalorie to British thermal unit
One kilocalorie equals 3.9657 BTUs. To convert, multiply the number of kilocalories by 3.9657:
BTUs = kilocalories × 3.9657
For example, 10 kilocalories × 3.9657 = 39.6567 BTUs.
Kilocalories to BTUs conversion table
| Energy (kcal) | Btus (BTU) |
|---|---|
| 1 kcal | 3.9657 BTU |
| 2 kcal | 7.9313 BTU |
| 3 kcal | 11.897 BTU |
| 5 kcal | 19.8283 BTU |
| 10 kcal | 39.6567 BTU |
| 20 kcal | 79.3133 BTU |
| 50 kcal | 198.2833 BTU |
| 100 kcal | 396.5667 BTU |
FAQ
How many BTUs are in a kilocalorie?
One kilocalorie = 3.9657 BTUs.
How do I convert BTUs back to kilocalories?
Divide by 3.9657, or use the BTUs to kilocalories converter.