Watt-hours to British thermal units Converter

Convert watt-hours to British thermal units instantly. One watt-hour equals 3.4121 British thermal units, so you can type any value in Wh and read…

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Convert watt-hours to British thermal units instantly. One watt-hour equals 3.4121 British thermal units, so you can type any value in Wh and read the answer in BTU. The page also shows a conversion table and the exact formula used.

Enter your values

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Worked example

Example calculated from the starting values. Enter your own values and press Calculate to get your result.

British thermal units3.4121 BTU

1 Wh = 3.4121 BTU

With the default inputs (value in watt-hours = 1 Wh), the results are: british thermal units 3.4121 BTU.

Watt-hours to British thermal units conversion table

Reference table based on the example values; it is not your calculation result.

watt-hours (Wh)British thermal units (BTU)
13.4121
26.8243
517.0607
1034.1214
2585.3035
50170.6071
100341.2142
5001,706.07
1,0003,412.14

Frequently asked questions

How many British thermal units are in one watt-hour?

1 watt-hour = 3.4121 British thermal units.

What is the formula to convert watt-hours to British thermal units?

Multiply the value in watt-hours by 3.4121.

How do I convert British thermal units back to watt-hours?

1 British thermal unit = 0.293071 watt-hours.

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