Gigajoules to British thermal units Converter

Enter the gigajoules, 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 gigajoules 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 gigajoule = 947,817.12031332 British thermal units.

A worked example

10 gigajoules are 9,478,171.20313317 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 gigajoules. A nearby pair in the same units is megajoules to British thermal units.