Kilojoules to Btus Converter
Convert kilojoule to British thermal unit instantly. Type a value below — the result updates as you type.
When you need to convert kilojoule to British thermal unit
Energy conversions appear on nutrition labels, utility bills and appliance specs, letting you compare food energy, electricity use and heating output on a common scale.
Typical values: 0.5 kJ is about 0.4739 BTU, and 100 kJ works out to roughly 94.7817 BTU. Because the ratio is fixed at 0.9478, you can scale any amount linearly — doubling the kilojoules doubles the BTUs.
Food packaging, power meters and heating equipment each prefer different energy units, so converting makes them directly comparable.
How to convert kilojoule to British thermal unit
One kilojoule equals 0.9478 BTUs. To convert, multiply the number of kilojoules by 0.9478:
BTUs = kilojoules × 0.9478
For example, 10 kilojoules × 0.9478 = 9.4782 BTUs.
Kilojoules to BTUs conversion table
| Energy (kJ) | Btus (BTU) |
|---|---|
| 1 kJ | 0.9478 BTU |
| 2 kJ | 1.8956 BTU |
| 3 kJ | 2.8435 BTU |
| 5 kJ | 4.7391 BTU |
| 10 kJ | 9.4782 BTU |
| 20 kJ | 18.9563 BTU |
| 50 kJ | 47.3909 BTU |
| 100 kJ | 94.7817 BTU |
FAQ
How many BTUs are in a kilojoule?
One kilojoule = 0.9478 BTUs.
How do I convert BTUs back to kilojoules?
Divide by 0.9478, or use the BTUs to kilojoules converter.