British thermal units to Joules (BTU to J)

Convert British thermal units to joules instantly. 1 British thermal unit = 1,055.055853 joules, so multiply by 1,055.055853. Includes worked examples and a full BTU to J table.

How to convert British thermal units to joules

1 British thermal unit = 1,055.055853 joules and 1 joule = 0.0009478171 British thermal units. To convert British thermal units to joules, multiply by 1,055.055853:

J = BTU × 1,055.055853

Examples

  • 1 BTU × 1,055.055853 = 1,055.055853 J
  • 10 BTU × 1,055.055853 = 10,550.55853 J
  • 100 BTU × 1,055.055853 = 1,05,505.5853 J

BTU to J conversion table

British thermal units (BTU)Joules (J)
1 BTU1,055.055853 J
2 BTU2,110.111705 J
3 BTU3,165.167558 J
4 BTU4,220.22341 J
5 BTU5,275.279263 J
6 BTU6,330.335116 J
7 BTU7,385.390968 J
8 BTU8,440.446821 J
9 BTU9,495.502674 J
10 BTU10,550.55853 J
12 BTU12,660.67023 J
15 BTU15,825.83779 J
20 BTU21,101.11705 J
25 BTU26,376.39632 J
30 BTU31,651.67558 J
40 BTU42,202.2341 J
50 BTU52,752.79263 J
60 BTU63,303.35116 J
70 BTU73,853.90968 J
75 BTU79,129.18895 J
80 BTU84,404.46821 J
90 BTU94,955.02674 J
100 BTU1,05,505.5853 J
150 BTU1,58,258.3779 J
200 BTU2,11,011.1705 J
250 BTU2,63,763.9632 J
500 BTU5,27,527.9263 J
1,000 BTU10,55,055.853 J
5,000 BTU52,75,279.263 J
10,000 BTU1,05,50,558.53 J

What is a British thermal unit?

A British thermal unit is about 1,055 joules, the heat to warm one pound of water by 1 °F. It is used for heating and air conditioning.

What is a joule?

The joule is the SI unit of energy: the work done by a force of one newton over one metre, or one watt for one second.

Related conversions

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Frequently asked questions

How do I convert British thermal units to joules?

Multiply the value in British thermal units by 1,055.055853. 1 British thermal unit = 1,055.055853 joules.

How many British thermal units are in one joule?

1 joule = 0.0009478171 British thermal units.

What is 10 BTU in J?

10 BTU = 10,550.55853 J.

What is 100 BTU in J?

100 BTU = 1,05,505.5853 J.