1 British thermal unit (BTU) = 0.2521644007 kilocalories (kcal). To convert, divide by 3.965666831: kcal = BTU ÷ 3.965666831. For example, 5 BTU = 1.260822004 kcal.
kcal = BTU ÷ 3.965666831
British thermal units to kilocalories table
| British thermal units (BTU) | Kilocalories (kcal) |
|---|---|
| 1 | 0.2521644007 |
| 2 | 0.5043288014 |
| 3 | 0.7564932022 |
| 4 | 1.008657603 |
| 5 | 1.260822004 |
| 10 | 2.521644007 |
| 20 | 5.043288014 |
| 25 | 6.304110018 |
| 50 | 12.60822004 |
| 100 | 25.21644007 |
| 250 | 63.04110018 |
| 500 | 126.0822004 |
| 1,000 | 252.1644007 |
The two units
British thermal unit (BTU). The International Table BTU, used for heating and air-conditioning ratings.
Kilocalorie (kcal). One thousand calories: the "Calorie" on food labels.
Convert British thermal units to other units
- British thermal units to joules — 1 BTU = 1,055.055853 J
- British thermal units to kilojoules — 1 BTU = 1.055055853 kJ
- British thermal units to calories — 1 BTU = 252.1644007 cal
- British thermal units to watt-hours — 1 BTU = 0.2930710702 Wh
- British thermal units to kilowatt-hours — 1 BTU = 0.0002930711 kWh
- British thermal units to electronvolts — 1 BTU = 6.585141e+21 eV
Convert other units to kilocalories
Questions people ask
- How many kilocalories are in a British thermal unit?
- 0.2521644007.
- How do you convert British thermal units to kilocalories?
- kcal = BTU ÷ 3.965666831. It is the same as dividing by 3.965666831.
- How do you convert kilocalories back to British thermal units?
- BTU = kcal × 3.965666831. See kilocalories to British thermal units.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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