BTU to Watt-hour Converter
Convert btu to watt-hours with this free energy converter. The exact relationship used on this page is 1 btu = 0.293071070172 watt-hours. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Watt-hour = BTU × 0.293071070172
How to convert btu to watt-hours
- Enter the value in btu in the converter.
- Read the equivalent amount in watt-hours.
- Use the swap link if you need watt-hour to btu instead.
- Check the table for common values without typing.
Worked examples
- 1 BTU = 0.2930710702 Wh
- 5 BTU = 1.465355351 Wh
- 10 BTU = 2.930710702 Wh
- 25 BTU = 7.326776754 Wh
Conversion table
Common btu values converted to watt-hours.
| BTU | Wh |
|---|---|
| 1 | 0.2930710702 |
| 2 | 0.5861421403 |
| 3 | 0.8792132105 |
| 4 | 1.172284281 |
| 5 | 1.465355351 |
| 6 | 1.758426421 |
| 7 | 2.051497491 |
| 8 | 2.344568561 |
| 9 | 2.637639632 |
| 10 | 2.930710702 |
| 20 | 5.861421403 |
| 50 | 14.65355351 |
| 100 | 29.30710702 |
| 250 | 73.26776754 |
| 500 | 146.5355351 |
| 1,000 | 293.0710702 |
About this conversion
BTU (BTU) and Watt-hour (Wh) are both energy units. Energy converters connect food labels (kcal), electricity bills (kWh), physics (joules), and heating (BTU). Bookmark this URL when you convert btu to watt-hours often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the watt-hour to btu converter.
FAQ
How many watt-hours are in 1 btu?+
1 btu equals 0.293071070172 watt-hours.
What is the formula to convert btu to watt-hours?+
Watt-hour = BTU × 0.293071070172
How do I convert btu to watt-hours by hand?+
Multiply the btu value by 0.293071070172. Example: 10 btu × 0.293071070172 = 2.93071070172 watt-hours.
Is this BTU to Wh converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.