British thermal units to kilocalories Converter

Enter the British thermal units, then press Calculate. The kilocalories 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 kilocalories. 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 = 0.2521644 kilocalories.

A worked example

10 British thermal units are 2.52164401 kilocalories. 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 kilocalories to British thermal units. A nearby pair in the same units is electronvolts to kilocalories. When the converted number is the input to a job, continue with the calories to eat.