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Convert british thermal unit to joule

Here you can quickly calculate how many joule fit in one british thermal unit.

- scroll: formula · table · questions -

  • 1 BTU = 1055.055853 J
  • 1 J = 0.000948 BTU

British thermal unit to joule conversion table

british thermal unit joule
1 1055.055853
2 2110.111705
5 5275.279263
10 10550.558526
20 21101.117052
50 52752.792631
100 105505.585262

Formula to convert british thermal unit to joule

To convert british thermal unit to joule, multiply by 1055.055853.

1 BTU = 1055.055853 J
Example: 1 british thermal unit = 1055.055853 joule

Common mistakes

  • The 'BTU' rating on AC units and heat pumps almost always means BTU per hour, a power, not an amount of energy. A '12,000 BTU' unit delivers about 3.5 kW of cooling continuously, not a fixed energy budget. Compare via 1 kW ≈ 3,412 BTU/h.

Quick british thermal unit to/from joule conversion quiz

Score: 0

2 joule equals 0.000379 british thermal unit.

Correct answer: 2 joule = 0.0019 british thermal unit.

10 british thermal unit equals 1.06e+4 joule.

Correct answer: 10 british thermal unit = 1.06e+4 joule.

25 joule equals 0.00237 british thermal unit.

Correct answer: 25 joule = 0.0237 british thermal unit.

20 joule equals 0.019 british thermal unit.

Correct answer: 20 joule = 0.019 british thermal unit.

2 british thermal unit equals 2.11e+3 joule.

Correct answer: 2 british thermal unit = 2.11e+3 joule.

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