Watt-hours to British Thermal Units
Convert watt-hours (Wh) to British thermal units (BTU). Type in either box; the other updates as you go.
How to convert watt-hours to British thermal units
To convert watt-hours to British thermal units, multiply the number of watt-hours by 3.412141633.
Example
Convert 5 watt-hours to British thermal units:
Watt-hour to British thermal unit conversion chart
| Watt-hours (Wh) | British Thermal Units (BTU) |
|---|---|
| 1 Wh | 3.412142 BTU |
| 2 Wh | 6.824283 BTU |
| 3 Wh | 10.23642 BTU |
| 4 Wh | 13.64857 BTU |
| 5 Wh | 17.06071 BTU |
| 6 Wh | 20.47285 BTU |
| 7 Wh | 23.88499 BTU |
| 8 Wh | 27.29713 BTU |
| 9 Wh | 30.70927 BTU |
| 10 Wh | 34.12142 BTU |
| 12 Wh | 40.9457 BTU |
| 15 Wh | 51.18212 BTU |
| 20 Wh | 68.24283 BTU |
| 25 Wh | 85.30354 BTU |
| 30 Wh | 102.3642 BTU |
| 40 Wh | 136.4857 BTU |
| 50 Wh | 170.6071 BTU |
| 60 Wh | 204.7285 BTU |
| 70 Wh | 238.8499 BTU |
| 75 Wh | 255.9106 BTU |
| 80 Wh | 272.9713 BTU |
| 90 Wh | 307.0927 BTU |
| 100 Wh | 341.2142 BTU |
| 150 Wh | 511.8212 BTU |
| 200 Wh | 682.4283 BTU |
| 250 Wh | 853.0354 BTU |
| 500 Wh | 1,706.071 BTU |
| 1,000 Wh | 3,412.142 BTU |
Going the other way? See the British thermal units to watt-hours chart.
About the units
Watt-hour (Wh)
A watt-hour is the energy of one watt for one hour, 3,600 joules. Batteries are rated in watt-hours.
British Thermal Unit (BTU)
A British thermal unit (International Table) is about 1,055 joules, the heat that warms one pound of water by one degree Fahrenheit.
Frequently asked questions
How many British thermal units are in a watt-hour?
There are 3.412141633 British thermal units in a watt-hour.
How many watt-hours are in a British thermal unit?
There are 0.2930710702 watt-hours in a British thermal unit.
How do you convert watt-hours to British thermal units?
To convert watt-hours to British thermal units, multiply the number of watt-hours by 3.412141633.
What is 5 watt-hours in British thermal units?
5 watt-hours equals 17.0607 British thermal units.
Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.