Convert kilocalories to BTU
Kilocalories to British thermal units. Enter a value to convert, or use the kilocalories to BTU chart further down the page.
1 kilocalorie equals 3.965666831 British thermal units. Going the other way, 1 British thermal unit = 0.2521644007 kilocalories.
How to convert kilocalories to BTU
To convert kilocalories to British thermal units, multiply the kilocalorie value by 3.965666831. You can also divide by 0.2521644007 to get the same answer.
BTU = kcal × 3.965666831
Worked example
Convert 15 kcal to British thermal units:
15 kcal = 59.48500247 BTU
kilocalories to BTU conversion chart
Use this kilocalories to BTU table for quick reference without typing anything.
| kilocalories (kcal) | British thermal units (BTU) |
|---|---|
| 0.01 kcal | 0.03965666831 BTU |
| 0.1 kcal | 0.3965666831 BTU |
| 1 kcal | 3.965666831 BTU |
| 2 kcal | 7.931333663 BTU |
| 3 kcal | 11.89700049 BTU |
| 5 kcal | 19.82833416 BTU |
| 10 kcal | 39.65666831 BTU |
| 20 kcal | 79.31333663 BTU |
| 50 kcal | 198.2833416 BTU |
| 100 kcal | 396.5666831 BTU |
| 1,000 kcal | 3,965.666831 BTU |
What is a kilocalorie?
The kilocalorie, written kcal or capital-C Calorie, is 1,000 thermochemical calories — the unit meant by “calories” on food packaging.
What is a British thermal unit?
The BTU is the energy needed to raise one pound of water by one degree Fahrenheit — about 1,055 joules. It rates heating and air-conditioning equipment in the US.
Frequently asked questions
How many BTU are in a kilocalorie?
1 kilocalories equals 3.965666831 BTU. Going the other way, 1 BTU is 0.2521644007 kilocalories.
How do you convert kilocalories to BTU?
To convert kilocalories to British thermal units, multiply the kilocalorie value by 3.965666831. You can also divide by 0.2521644007 to get the same answer.
What is 10 kilocalories in BTU?
10 kilocalories equals 39.65666831 BTU. The conversion chart on this page lists the other values people look up most often.
Related energy conversions
Convert kilocalories to other units
- BTU to kilocalories
- kilocalories to joules
- kilocalories to kilojoules
- kilocalories to calories
- kilocalories to kWh
- kilocalories to Wh
- kilocalories to foot pounds
Convert other units to BTU
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