British thermal units (IT) to Joules
1 BTU ≈ 1,055 J. Edit either value to convert instantly.
Conversion formula
J = BTU × (1,055.05585262) × (1)1 BTU ≈ 1,055.06 J
British thermal unit (IT) (BTU)
British thermal unit (IT) is a unit of energy: 1 BTU = 1,055.05585262 J. Uses the International Table definition (IT), not the thermochemical BTU.
Source: NBSIR 81-2401, Appendix A3.2: International Table British thermal unit
joule (J)
One joule is the work done by a force of 1 newton moving an object 1 meter along the force: 1 J = 1 N·m.
Source: BIPM, The International System of Units (SI), 9th edition
Conversion table
| BTU | J |
|---|---|
| ≈ 1,055.06 | |
| ≈ 2,110.11 | |
| ≈ 5,275.28 | |
| ≈ 10,550.6 | |
| ≈ 15,825.8 | |
| ≈ 21,101.1 | |
| ≈ 26,376.4 | |
| ≈ 31,651.7 | |
| ≈ 42,202.2 | |
| ≈ 47,477.5 |
| BTU | J |
|---|---|
| ≈ 52,752.8 | |
| ≈ 63,303.4 | |
| ≈ 73,853.9 | |
| ≈ 84,404.5 | |
| ≈ 94,955 | |
| ≈ 105,506 | |
| ≈ 158,258 | |
| ≈ 168,809 | |
| ≈ 179,359 | |
| ≈ 189,910 |
Frequently asked questions
How many joules are in 1 British thermal unit (IT)?
1 BTU ≈ 1,055 J. J = BTU × (1,055.05585262) × (1)
How do I convert BTU to J?
J = BTU × (1,055.05585262) × (1)
Is 1 British thermal unit (IT) bigger than 1 joule?
1 BTU ≈ 1,055 J.
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