## ››Convert British thermal unit to watthour

 British thermal unit watthour

How many British thermal unit in 1 watthour? The answer is 3.4121414798969.
We assume you are converting between British thermal unit and watthour.
You can view more details on each measurement unit:
British thermal unit or watthour
The SI derived unit for energy is the joule.
1 joule is equal to 0.00094781707774915 British thermal unit, or 0.00027777777777778 watthour.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between Btus and watthour.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of British thermal unit to watthour

1 British thermal unit to watthour = 0.29307 watthour

5 British thermal unit to watthour = 1.46536 watthour

10 British thermal unit to watthour = 2.93071 watthour

20 British thermal unit to watthour = 5.86142 watthour

30 British thermal unit to watthour = 8.79213 watthour

40 British thermal unit to watthour = 11.72284 watthour

50 British thermal unit to watthour = 14.65355 watthour

75 British thermal unit to watthour = 21.98033 watthour

100 British thermal unit to watthour = 29.30711 watthour

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You can do the reverse unit conversion from watthour to British thermal unit, or enter any two units below:

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## ››Definition: Btu

The British thermal unit (BTU or Btu) is a non-metric unit of energy, used in the United States and, to a lesser extent, the UK (where it isgenerally only used for heating systems). The SI unit is the joule (J), which is used by most other countries.

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