Convert British Thermal Units to Kilocalories
1 British thermal unit = 0.2521644 kilocalories. Type any value below to convert in either direction — the calculation happens in your browser.
British Thermal Units to Kilocalories formula
Multiply the number of British thermal units by 0.2521644 to get kilocalories.
kilocalories = British thermal units × 0.2521644To go the other way: divide the number of kilocalories by 0.2521644, or multiply by 3.965667.
British thermal units = kilocalories ÷ 0.2521644British Thermal Units to Kilocalories conversion table
| British Thermal Units | Kilocalories |
|---|---|
| 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 |
| 15 BTU | 3.782466 kcal |
| 20 BTU | 5.043288 kcal |
| 25 BTU | 6.30411 kcal |
| 30 BTU | 7.564932 kcal |
| 40 BTU | 10.086576 kcal |
| 50 BTU | 12.60822 kcal |
| 75 BTU | 18.91233 kcal |
| 100 BTU | 25.21644 kcal |
| 250 BTU | 63.0411 kcal |
| 500 BTU | 126.0822 kcal |
| 1,000 BTU | 252.164401 kcal |
Kilocalories to British Thermal Units conversion table
| Kilocalories | British Thermal Units |
|---|---|
| 1 kcal | 3.965667 BTU |
| 2 kcal | 7.931334 BTU |
| 3 kcal | 11.897 BTU |
| 4 kcal | 15.862667 BTU |
| 5 kcal | 19.828334 BTU |
| 6 kcal | 23.794001 BTU |
| 7 kcal | 27.759668 BTU |
| 8 kcal | 31.725335 BTU |
| 9 kcal | 35.691001 BTU |
| 10 kcal | 39.656668 BTU |
About the British thermal unit
A BTU is the energy needed to raise one pound of water by one degree Fahrenheit, about 1,055 joules.
About the kilocalorie
A kilocalorie is 1,000 calories and is the "Calorie" printed on nutrition labels.
Frequently asked questions
How many kilocalories are in a British thermal unit?
There are 0.2521644 kilocalories in one British thermal unit.
How many British thermal units are in a kilocalorie?
There are 3.965667 British thermal units in one kilocalorie.
Is this conversion exact?
The ratio between the British thermal unit and the kilocalorie is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 British thermal units in kilocalories?
10 British thermal units equals 2.521644 kilocalories.
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