Convert kilojoules to BTU
kilojoules to British thermal units. Enter a value to convert, or use the kilojoules to BTU chart further down the page.
1 kilojoule equals 0.947817 British thermal units. Going the other way, 1 British thermal unit = 1.05506 kilojoules.
How to convert kilojoules to BTU
To convert kilojoules to British thermal units, multiply the kilojoule value by 0.9478171203. You can also divide by 1.055055853 to get the same answer.
BTU = kJ × 0.9478171203
Worked example
Convert 15 kJ to British thermal units:
15 kJ = 14.2173 BTU
kilojoules to BTU conversion chart
Use this kilojoules to BTU table for quick reference without typing anything.
| kilojoules (kJ) | British thermal units (BTU) |
|---|---|
| 0.01 kJ | 0.00947817 BTU |
| 0.1 kJ | 0.0947817 BTU |
| 1 kJ | 0.947817 BTU |
| 2 kJ | 1.89563 BTU |
| 3 kJ | 2.84345 BTU |
| 5 kJ | 4.73909 BTU |
| 10 kJ | 9.47817 BTU |
| 20 kJ | 18.9563 BTU |
| 50 kJ | 47.3909 BTU |
| 100 kJ | 94.7817 BTU |
| 1,000 kJ | 947.817 BTU |
What is a kilojoule?
The kilojoule is 1,000 joules and is the food-energy unit on nutrition labels outside the United States.
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 kilojoule?
1 kilojoules equals 0.947817 BTU. Going the other way, 1 BTU is 1.05506 kilojoules.
How do you convert kilojoules to BTU?
To convert kilojoules to British thermal units, multiply the kilojoule value by 0.9478171203. You can also divide by 1.055055853 to get the same answer.
What is 10 kilojoules in BTU?
10 kilojoules equals 9.47817 BTU. The conversion chart on this page lists the other values people look up most often.
Related energy conversions
Convert kilojoules to other units
- BTU to kilojoules
- kilojoules to joules
- kilojoules to calories
- kilojoules to kilocalories
- kilojoules to kWh
- kilojoules to Wh
- kilojoules to foot pounds
Convert other units to BTU
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