Btu to joules converter
1 BTU equals 1,055.06 joules. Conversions use J = Btu × 1055.1
Btu → 1,055.06 J
J = Btu × 1055.1
Converter
Worked examples
- 1 Btu = 1,055.06 J
- 2 Btu = 2,110.11 J
- 5 Btu = 5,275.28 J
- 10 Btu = 10,550.56 J
- 100 Btu = 105,505.59 J
BTUs to joules conversion table
| Btu | J | Arithmetic |
|---|---|---|
| 1 Btu | 1,055.06 J | × 1055.1 |
| 2 Btu | 2,110.11 J | × 1055.1 |
| 3 Btu | 3,165.17 J | × 1055.1 |
| 4 Btu | 4,220.22 J | × 1055.1 |
| 5 Btu | 5,275.28 J | × 1055.1 |
| 6 Btu | 6,330.34 J | × 1055.1 |
| 8 Btu | 8,440.45 J | × 1055.1 |
| 10 Btu | 10,550.56 J | × 1055.1 |
| 12 Btu | 12,660.67 J | × 1055.1 |
| 15 Btu | 15,825.84 J | × 1055.1 |
| 20 Btu | 21,101.12 J | × 1055.1 |
| 25 Btu | 26,376.4 J | × 1055.1 |
| 30 Btu | 31,651.68 J | × 1055.1 |
| 40 Btu | 42,202.23 J | × 1055.1 |
| 50 Btu | 52,752.79 J | × 1055.1 |
| 60 Btu | 63,303.35 J | × 1055.1 |
| 70 Btu | 73,853.91 J | × 1055.1 |
| 80 Btu | 84,404.47 J | × 1055.1 |
| 90 Btu | 94,955.03 J | × 1055.1 |
| 100 Btu | 105,505.59 J | × 1055.1 |
How to convert Btu to J
- Take your value in BTUs.
- Multiply by 1055.1
- That is your answer in joules — no rounding needed until you choose a display precision.
Related conversions
J to BtuJ to kJJ to calJ to kcalJ to WhJ to kWhkJ to Jcal to Jkcal to Jall energy units
Questions
How many joules in 1 BTU?
Exactly 1,055.06 J. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert Btu to J?
Multiply the BTUs figure by 1055.1 — or use the converter above, which updates as you type.
Is Btu to J the same as J to Btu?
No — they are inverses. One Btu is 1,055.06 J, while one J is 0.0009478171 Btu.
What is 1 Btu in J?
1 Btu = 1,055.06 J (see the value page for the full arithmetic).