British Thermal Units to Kilocalories
Convert British thermal units (BTU) to kilocalories (kcal). Type in either box; the other updates as you go.
How to convert British thermal units to kilocalories
To convert British thermal units to kilocalories, multiply the number of British thermal units by 0.2521644007.
Example
Convert 5 British thermal units to kilocalories:
British Thermal Unit to kilocalorie conversion chart
| British Thermal Units (BTU) | Kilocalories (kcal) |
|---|---|
| 1 BTU | 0.2521644 kcal |
| 2 BTU | 0.5043288 kcal |
| 3 BTU | 0.7564932 kcal |
| 4 BTU | 1.008658 kcal |
| 5 BTU | 1.260822 kcal |
| 6 BTU | 1.512986 kcal |
| 7 BTU | 1.765151 kcal |
| 8 BTU | 2.017315 kcal |
| 9 BTU | 2.26948 kcal |
| 10 BTU | 2.521644 kcal |
| 12 BTU | 3.025973 kcal |
| 15 BTU | 3.782466 kcal |
| 20 BTU | 5.043288 kcal |
| 25 BTU | 6.30411 kcal |
| 30 BTU | 7.564932 kcal |
| 40 BTU | 10.08658 kcal |
| 50 BTU | 12.60822 kcal |
| 60 BTU | 15.12986 kcal |
| 70 BTU | 17.65151 kcal |
| 75 BTU | 18.91233 kcal |
| 80 BTU | 20.17315 kcal |
| 90 BTU | 22.6948 kcal |
| 100 BTU | 25.21644 kcal |
| 150 BTU | 37.82466 kcal |
| 200 BTU | 50.43288 kcal |
| 250 BTU | 63.0411 kcal |
| 500 BTU | 126.0822 kcal |
| 1,000 BTU | 252.1644 kcal |
Going the other way? See the kilocalories to British thermal units chart.
About the units
British Thermal Unit (BTU)
A British thermal unit (International Table) is about 1,055 joules, the heat that warms one pound of water by one degree Fahrenheit.
Kilocalorie (kcal)
A kilocalorie is 1,000 small calories. The "Calories" on US food labels are kilocalories.
Frequently asked questions
How many kilocalories are in a British thermal unit?
There are 0.2521644007 kilocalories in a British thermal unit.
How many British thermal units are in a kilocalorie?
There are 3.965666831 British thermal units in a kilocalorie.
How do you convert British thermal units to kilocalories?
To convert British thermal units to kilocalories, multiply the number of British thermal units by 0.2521644007.
What is 5 British thermal units in kilocalories?
5 British thermal units equals 1.26082 kilocalories.
Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.