Convert british thermal units to kilojoules
1 BTU = 1.05505585262 kJ — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
1.055 055 852 62kJ
Exact decimal: 1.05505585262
As a fraction: 52752792631/50000000000
1 BTU = 1.05505585262 kJ
How to convert british thermal units to kilojoules
Multiply the number of british thermal units by 1.05505585262 to get kilojoules.
The exact factor is 1.05505585262 — as a fraction, 52752792631/50000000000.
British thermal unit: International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.
British thermal unit to Kilojoule conversion table
| British thermal units (BTU) | Kilojoules (kJ) |
|---|---|
| 1 BTU | 1.055 055 9 |
| 2 BTU | 2.110 111 7 |
| 3 BTU | 3.165 167 6 |
| 5 BTU | 5.275 279 3 |
| 10 BTU | 10.550 559 |
| 20 BTU | 21.101 117 |
| 25 BTU | 26.376 396 |
| 50 BTU | 52.752 793 |
| 100 BTU | 105.505 59 |
| 250 BTU | 263.763 96 |
| 500 BTU | 527.527 93 |
| 1000 BTU | 1055.0559 |
Kilojoule to British thermal unit conversion table
| Kilojoules (kJ) | British thermal units (BTU) |
|---|---|
| 1 kJ | 0.947 817 12 |
| 2 kJ | 1.895 634 2 |
| 3 kJ | 2.843 451 4 |
| 5 kJ | 4.739 085 6 |
| 10 kJ | 9.478 171 2 |
| 20 kJ | 18.956 342 |
| 25 kJ | 23.695 428 |
| 50 kJ | 47.390 856 |
| 100 kJ | 94.781 712 |
| 250 kJ | 236.954 28 |
| 500 kJ | 473.908 56 |
| 1000 kJ | 947.817 12 |
Frequently asked
How many kilojoules are in a british thermal unit?
One british thermal unit equals 1.055055853 kilojoules (BTU → kJ). That figure is exact, not rounded.
How do you convert british thermal units to kilojoules?
Multiply the number of british thermal units by 1.05505585262 to get kilojoules.
What is 1 kJ in british thermal units?
One kilojoule is 0.9478171203 british thermal units.
What is 10 BTU in kJ?
10 BTU = 10.550 559 kJ.
What exactly is a british thermal unit?
International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.