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Convert British thermal units to joules

Convert British thermal units (BTU) to joules (J). 1 BTU = 1,055.06 J, and 1 J = 0.000947817 BTU.

1,000 BTU = 1,055,060 J

BTU to Joules formula

J = BTU × 1,055.055853

Multiply the number of British thermal units by 1,055.055853.

Example: To convert 1,000 BTU to joules: 1,000 × 1,055.055853 = 1,055,060 J.

Quick answers

What is 1,000 BTU in joules?
1,000 BTU = 1,055,060 J
What is 12,000 BTU in joules?
12,000 BTU = 12,660,700 J

BTU to Joules conversion table

Joules to BTU table
British thermal units (BTU)joules (J)
1 BTU1,055.06 J
100 BTU105,506 J
1,000 BTU1,055,060 J
3,412 BTU3,599,850 J
5,000 BTU5,275,280 J
8,000 BTU8,440,450 J
10,000 BTU10,550,600 J
12,000 BTU12,660,700 J
18,000 BTU18,991,000 J
24,000 BTU25,321,300 J
36,000 BTU37,982,000 J
100,000 BTU105,506,000 J

Frequently asked questions

How many joules are in a british thermal unit?

There are 1,055.06 joules in a british thermal unit (1 BTU = 1,055.06 J).

How do I convert British thermal units to joules?

Multiply the number of British thermal units by 1,055.055853. To convert 1,000 BTU to joules: 1,000 × 1,055.055853 = 1,055,060 J.

Is the BTU to Joules conversion exact?

Yes. Both units are defined exactly, so 1 british thermal unit is exactly 1,055.05585262 joules. Results on this page are rounded to six significant digits; pick more decimals in the converter if you need them.

What is 1,000 BTU in joules?

1,000 BTU = 1,055,060 J.

How do I convert joules back to British thermal units?

Use the reverse relationship: 1 J = 0.000947817 BTU. The Joules to BTU page has a converter and a full table.

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