Btu to Wh converter
1 BTU equals 0.29307107 watt-hours. Conversions use Wh = Btu × 0.293071
Btu → 0.29307107 Wh
Wh = Btu × 0.293071
Converter
Worked examples
- 1 Btu = 0.29307107 Wh
- 2 Btu = 0.58614214 Wh
- 5 Btu = 1.465355 Wh
- 10 Btu = 2.930711 Wh
- 100 Btu = 29.307107 Wh
BTUs to watt-hours conversion table
| Btu | Wh | Arithmetic |
|---|---|---|
| 1 Btu | 0.29307107 Wh | × 0.293071 |
| 2 Btu | 0.58614214 Wh | × 0.293071 |
| 3 Btu | 0.87921321 Wh | × 0.293071 |
| 4 Btu | 1.172284 Wh | × 0.293071 |
| 5 Btu | 1.465355 Wh | × 0.293071 |
| 6 Btu | 1.758426 Wh | × 0.293071 |
| 8 Btu | 2.344569 Wh | × 0.293071 |
| 10 Btu | 2.930711 Wh | × 0.293071 |
| 12 Btu | 3.516853 Wh | × 0.293071 |
| 15 Btu | 4.396066 Wh | × 0.293071 |
| 20 Btu | 5.861421 Wh | × 0.293071 |
| 25 Btu | 7.326777 Wh | × 0.293071 |
| 30 Btu | 8.792132 Wh | × 0.293071 |
| 40 Btu | 11.722843 Wh | × 0.293071 |
| 50 Btu | 14.653554 Wh | × 0.293071 |
| 60 Btu | 17.584264 Wh | × 0.293071 |
| 70 Btu | 20.514975 Wh | × 0.293071 |
| 80 Btu | 23.445686 Wh | × 0.293071 |
| 90 Btu | 26.376396 Wh | × 0.293071 |
| 100 Btu | 29.307107 Wh | × 0.293071 |
How to convert Btu to Wh
- Take your value in BTUs.
- Multiply by 0.293071
- That is your answer in watt-hours — no rounding needed until you choose a display precision.
Related conversions
Wh to BtuJ to WhkJ to Whcal to Whkcal to WhWh to JWh to kJWh to calWh to kcalall energy units
Questions
How many watt-hours in 1 BTU?
Exactly 0.29307107 Wh. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert Btu to Wh?
Multiply the BTUs figure by 0.293071 — or use the converter above, which updates as you type.
Is Btu to Wh the same as Wh to Btu?
No — they are inverses. One Btu is 0.29307107 Wh, while one Wh is 3.412142 Btu.
What is 1 Btu in Wh?
1 Btu = 0.29307107 Wh (see the value page for the full arithmetic).