Convert BTU (BTU) to kilojoule (kJ).
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Kilojoule to BTU Converter (kJ to BTU)
Convert kilojoule (kJ) to BTU (BTU).Unit Converter · Energy
Quick answer
1 kilojoule (kJ) is approximately equal to 0.9478171 BTUs (BTU). 1 BTU is approximately equal to 1.055056 kilojoules (kJ).
To convert kJ to BTU, multiply the value in kilojoules by 0.9478171203. For example, 10 kJ = 9.4781712 BTU, and 100 kJ = 94.78171203 BTU.
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How to convert kilojoules to BTUs
How many BTUs are in a kilojoule? 1 kilojoule is about 0.9478171 BTUs. This free kJ to BTU converter and kilojoule to BTU calculator gives the answer instantly for any value.
To convert kilojoule (kJ) to BTU (BTU), multiply the value in kilojoules by 0.9478171203.
BTU = kJ × 0.9478171203
- 1
Take the value in kilojoules
For example, 25 kJ.
- 2
Multiply by 0.9478171203
25 × 0.9478171203.
- 3
Read the answer in BTUs
25 kJ = 23.69542801 BTU.
Kilojoule to BTU conversion table
Common values from 1 to 1,000 kilojoules converted to BTUs.
| Kilojoule (kJ) | BTU (BTU) |
|---|---|
| 1 kJ | 0.94781712 BTU |
| 2 kJ | 1.89563424 BTU |
| 3 kJ | 2.84345136 BTU |
| 4 kJ | 3.79126848 BTU |
| 5 kJ | 4.7390856 BTU |
| 6 kJ | 5.68690272 BTU |
| 7 kJ | 6.63471984 BTU |
| 8 kJ | 7.58253696 BTU |
| 9 kJ | 8.53035408 BTU |
| 10 kJ | 9.4781712 BTU |
| 15 kJ | 14.2172568 BTU |
| 20 kJ | 18.95634241 BTU |
| 25 kJ | 23.69542801 BTU |
| Kilojoule (kJ) | BTU (BTU) |
|---|---|
| 30 kJ | 28.43451361 BTU |
| 40 kJ | 37.91268481 BTU |
| 50 kJ | 47.39085602 BTU |
| 60 kJ | 56.86902722 BTU |
| 70 kJ | 66.34719842 BTU |
| 75 kJ | 71.08628402 BTU |
| 80 kJ | 75.82536963 BTU |
| 90 kJ | 85.30354083 BTU |
| 100 kJ | 94.78171203 BTU |
| 250 kJ | 236.95428008 BTU |
| 500 kJ | 473.90856016 BTU |
| 1,000 kJ | 947.81712031 BTU |
About kilojoules and BTUs
Kilojoule (kJ)
A kilojoule (kJ) is 1,000 joules. Food energy on nutrition labels is often shown in kJ as well as kcal.
BTU (BTU)
A British thermal unit (BTU) is about 1,055 joules. It is used to rate air conditioners and heaters.
kJ to BTU: common questions
- How many BTUs are in 1 kilojoule?
- 1 kilojoule (kJ) is approximately equal to 0.9478171 BTUs (BTU). In short: 1 kJ ≈ 0.9478171 BTU.
- How do I convert kilojoules to BTUs?
- To convert kJ to BTU, multiply the value in kilojoules by 0.9478171203. For example, 5 kJ = 4.7390856 BTU.
- How do I convert BTUs to kilojoules?
- Use the Btu to Kilojoule converter, which applies the exact reverse factor.
- What is 10 kJ in BTU, and what is 100 kJ?
- 10 kJ = 9.4781712 BTU, and 100 kJ = 94.78171203 BTU. The table above lists more values from 1 to 1,000.
- Is this kJ to BTU converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
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