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Watt-hours to British thermal units Converter
Enter the watt-hours, then press Calculate. The British thermal units stay hidden while you type.
Press Calculate after the entries are in.
What this energy conversion is for
Use this page when a measurement is written in watt-hours and the next step needs British thermal units. The number stays blank until you press Calculate, so a half-typed entry is never mistaken for the answer.
The factor
Multiply by the factor: 1 watt-hour = 3.41214163 British thermal units.
A worked example
10 watt-hours are 34.12141633 British thermal units. Multiply the result by the reverse factor if you want the original number back.
How to check it
Write the factor down, do the multiply on paper, and compare it with the result card. If you change a sentence on this page, edit the HTML file and reload. The form and this note live in the same file.
The reverse conversion is British thermal units to watt-hours. A nearby pair in the same units is watt-hours to million BTU. When the converted number is the input to a job, continue with the what the power costs.