watt-hours to BTU
Convert watt-hour to btu — instant, free, with the formula shown.
1 Wh=3.412142 BTU
How to convert watt-hour to btu
To convert watt-hour to btu, multiply by 3.41214164:
BTU = Wh × 3.41214164
For example, 10 Wh × 3.412142 = 34.121416 BTU.
Wh to BTU conversion table
| watt-hours (Wh) | BTU (BTU) |
|---|---|
| 1 Wh | 3.412142 BTU |
| 2 Wh | 6.824283 BTU |
| 5 Wh | 17.060708 BTU |
| 10 Wh | 34.121416 BTU |
| 25 Wh | 85.303541 BTU |
| 50 Wh | 170.607082 BTU |
| 100 Wh | 341.214164 BTU |
| 250 Wh | 853.03541 BTU |
| 500 Wh | 1706.070821 BTU |
| 1000 Wh | 3412.141642 BTU |
Other watt-hour conversions
Convert to btu from another unit
Wh to BTU — frequently asked
How many BTU are in 1 watt-hour?
1 watt-hour = 3.412142 BTU (Wh × 3.412142 = BTU).
What is the formula to convert watt-hour to btu?
Multiply your watt-hour value by 3.41214164 to get btu.
How do I convert 10 watt-hours to BTU?
10 Wh = 34.121416 BTU. For 100 Wh the answer is 341.214164 BTU. Use the calculator on this page for any other value.
When to convert watt-hour 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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