Convert british thermal unit (it) to kilojoule instantly. Type in either field — results update live.
Selected Btu (IT) values converted to kJ using the exact factor from this tool.
| Btu (IT) | kJ |
|---|---|
| 0.01 | 0.0105505585 |
| 0.1 | 0.1055055853 |
| 1 | 1.0550558526 |
| 2 | 2.1101117052 |
| 3 | 3.1651675579 |
| 5 | 5.2752792631 |
| 10 | 10.5505585262 |
| 20 | 21.1011170524 |
| 50 | 52.752792631 |
| 100 | 105.505585262 |
| 1,000 | 1,055.05585262 |
Exact conversion factors in both directions, plus a worked example.
1 Btu (IT) = 1.0550558526 kJ
1 kJ = 0.9478171203 Btu (IT)
To convert british thermal unit (it) to kilojoule, multiply by 1.0550558526.
To convert kilojoule to british thermal unit (it), multiply by 0.9478171203.
Example: convert 10 Btu (IT) to kJ
10 × 1.0550558526 = 10.5505585262 kJ
Short background on the units used in this conversion.
The British thermal unit (IT) is 1,055.05585262 joules — the heat to raise one pound of water by 1°F (International Table).
BTU rates HVAC heating and cooling capacity, natural-gas appliances, and US energy consumption.
A kilojoule is one thousand joules — the metric counterpart to the kilocalorie on food labels.
Kilojoules appear on Australian and European nutrition labels alongside or instead of kilocalories.
kJ = Btu (IT) × 1.0550558526Btu (IT) = kJ × 0.9478171203, using the same exact factors as this converter.Jump to any energy conversion starting from british thermal unit (it) — including the reverse direction and every other unit in our dataset.