1 British thermal unit (BTU) = 1.055055853 kilojoules (kJ). To convert, multiply by 1.055055853: kJ = BTU × 1.055055853. For example, 5 BTU = 5.275279263 kJ.
kJ = BTU × 1.055055853
British thermal units to kilojoules table
| British thermal units (BTU) | Kilojoules (kJ) |
|---|---|
| 1 | 1.055055853 |
| 2 | 2.110111705 |
| 3 | 3.165167558 |
| 4 | 4.22022341 |
| 5 | 5.275279263 |
| 10 | 10.55055853 |
| 20 | 21.10111705 |
| 25 | 26.37639632 |
| 50 | 52.75279263 |
| 100 | 105.5055853 |
| 250 | 263.7639632 |
| 500 | 527.5279263 |
| 1,000 | 1,055.055853 |
The two units
British thermal unit (BTU). The International Table BTU, used for heating and air-conditioning ratings.
Kilojoule (kJ). One thousand joules; food labels outside the US often give energy in kJ.
Convert British thermal units to other units
- British thermal units to joules — 1 BTU = 1,055.055853 J
- British thermal units to calories — 1 BTU = 252.1644007 cal
- British thermal units to kilocalories — 1 BTU = 0.2521644007 kcal
- 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 kilojoules
Questions people ask
- How many kilojoules are in a British thermal unit?
- 1.055055853.
- How do you convert British thermal units to kilojoules?
- kJ = BTU × 1.055055853. It is the same as dividing by 0.9478171203.
- How do you convert kilojoules back to British thermal units?
- BTU = kJ ÷ 1.055055853. See kilojoules 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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