kilojoules to BTU
Convert kilojoule to btu — instant, free, with the formula shown.
1 kJ=0.947817 BTU
How to convert kilojoule to btu
To convert kilojoule to btu, multiply by 0.94781712:
BTU = kJ × 0.94781712
For example, 10 kJ × 0.947817 = 9.478171 BTU.
kJ to BTU conversion table
| kilojoules (kJ) | BTU (BTU) |
|---|---|
| 1 kJ | 0.947817 BTU |
| 2 kJ | 1.895634 BTU |
| 5 kJ | 4.739086 BTU |
| 10 kJ | 9.478171 BTU |
| 25 kJ | 23.695428 BTU |
| 50 kJ | 47.390856 BTU |
| 100 kJ | 94.781712 BTU |
| 250 kJ | 236.954281 BTU |
| 500 kJ | 473.908561 BTU |
| 1000 kJ | 947.817123 BTU |
Other kilojoule conversions
Convert to btu from another unit
kJ to BTU — frequently asked
How many BTU are in 1 kilojoule?
1 kilojoule = 0.947817 BTU (kJ × 0.947817 = BTU).
What is the formula to convert kilojoule to btu?
Multiply your kilojoule value by 0.94781712 to get btu.
How do I convert 10 kilojoules to BTU?
10 kJ = 9.478171 BTU. For 100 kJ the answer is 94.781712 BTU. Use the calculator on this page for any other value.
When to convert kilojoule to btu
1Electricity bills (kWh)
2Nutrition labels (kcal / food cal)
3HVAC and heating (BTU, therms)
4Physics and chemistry (J, eV)
Energy conversion — common questions
Is a food calorie the same as a calorie?
No — a food 'Calorie' (capital C) actually means 1 kilocalorie = 1,000 small calories = 4,184 J. Nutrition labels typically write 'cal' meaning kcal.
How many joules in 1 kWh?
1 kWh = 3,600,000 J (3.6 MJ). Because 1 kW × 1 hour = 1,000 W × 3,600 s = 3,600,000 J.
What is a BTU?
British Thermal Unit — the energy required to raise 1 pound of water by 1 °F. 1 BTU ≈ 1,055 J.
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