British thermal units to kilowatt-hours Converter

Enter the British thermal units, then press Calculate. The kilowatt-hours 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 British thermal units and the next step needs kilowatt-hours. 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 British thermal unit = 0.00029307 kilowatt-hours.

A worked example

10 British thermal units are 0.00293071 kilowatt-hours. 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 kilowatt-hours to British thermal units. A nearby pair in the same units is joules to kilowatt-hours. When the converted number is the input to a job, continue with the what the power costs.