Convert British Thermal Units to Watt Hours
1 British thermal unit = 0.2930711 watt hours. Type any value below to convert in either direction — the calculation happens in your browser.
British Thermal Units to Watt Hours formula
Multiply the number of British thermal units by 0.2930711 to get watt hours.
watt hours = British thermal units × 0.2930711To go the other way: divide the number of watt hours by 0.2930711, or multiply by 3.412142.
British thermal units = watt hours ÷ 0.2930711British Thermal Units to Watt Hours conversion table
| British Thermal Units | Watt Hours |
|---|---|
| 1 BTU | 0.2930711 Wh |
| 2 BTU | 0.5861421 Wh |
| 3 BTU | 0.8792132 Wh |
| 4 BTU | 1.172284 Wh |
| 5 BTU | 1.465355 Wh |
| 6 BTU | 1.758426 Wh |
| 7 BTU | 2.051497 Wh |
| 8 BTU | 2.344569 Wh |
| 9 BTU | 2.63764 Wh |
| 10 BTU | 2.930711 Wh |
| 15 BTU | 4.396066 Wh |
| 20 BTU | 5.861421 Wh |
| 25 BTU | 7.326777 Wh |
| 30 BTU | 8.792132 Wh |
| 40 BTU | 11.722843 Wh |
| 50 BTU | 14.653554 Wh |
| 75 BTU | 21.98033 Wh |
| 100 BTU | 29.307107 Wh |
| 250 BTU | 73.267768 Wh |
| 500 BTU | 146.535535 Wh |
| 1,000 BTU | 293.07107 Wh |
Watt Hours to British Thermal Units conversion table
| Watt Hours | British Thermal Units |
|---|---|
| 1 Wh | 3.412142 BTU |
| 2 Wh | 6.824283 BTU |
| 3 Wh | 10.236425 BTU |
| 4 Wh | 13.648567 BTU |
| 5 Wh | 17.060708 BTU |
| 6 Wh | 20.47285 BTU |
| 7 Wh | 23.884991 BTU |
| 8 Wh | 27.297133 BTU |
| 9 Wh | 30.709275 BTU |
| 10 Wh | 34.121416 BTU |
About the British thermal unit
A BTU is the energy needed to raise one pound of water by one degree Fahrenheit, about 1,055 joules.
About the watt hour
A watt hour is the energy of one watt sustained for one hour, equal to 3,600 joules.
Frequently asked questions
How many watt hours are in a British thermal unit?
There are 0.2930711 watt hours in one British thermal unit.
How many British thermal units are in a watt hour?
There are 3.412142 British thermal units in one watt hour.
Is this conversion exact?
The ratio between the British thermal unit and the watt hour is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 British thermal units in watt hours?
10 British thermal units equals 2.930711 watt hours.
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