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British thermal units to joules converter

Joules (J)1,055.055853

1 British thermal unit = 1,055.055853 joules

How to convert British thermal units to joules

J = BTU × 1055.05585262

Multiply the number of British thermal units by 1055.05585262 to get joules. Going the other way, divide by 1055.05585262 (or multiply by 0.000947817120313).

One British thermal unit is exactly defined as 1055.05585262 joules (to 12 significant figures), and one joule is 0.000947817120313 British thermal units.

Worked examples

  1. Convert 5 British thermal units: 5 × 1055.05585262 = 5,275.279263 5,275.279263 joules.
  2. Convert 12.5 British thermal units: 12.5 × 1055.05585262 = 13,188.19816 13,188.19816 joules.
  3. Convert 250 British thermal units: 250 × 1055.05585262 = 263,763.9632 263,763.9632 joules.

Quick-reference table

BTUJ
11,055.055853
22,110.111705
33,165.167558
55,275.279263
1010,550.55853
1515,825.83779
2021,101.11705
2526,376.39632
5052,752.79263
7579,129.18895
100105,505.5853
1,0001,055,055.853
JBTU
10.0009478171203
20.001895634241
30.002843451361
50.004739085602
100.009478171203
150.0142172568
200.01895634241
250.02369542801
500.04739085602
750.07108628402
1000.09478171203
1,0000.9478171203

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Frequently asked questions

How many joules are in 1 British thermal unit?

1 British thermal unit equals 1,055.055853 joules.

What is the formula to convert British thermal units to joules?

Use J = BTU × 1055.05585262. Multiply the number of British thermal units by 1055.05585262 to get joules. Going the other way, divide by 1055.05585262 (or multiply by 0.000947817120313).

What is 100 British thermal units in joules?

100 British thermal units is 105,505.5853 joules.