BTU to Megajoules Converter
How to convert BTU to megajoules
megajoules = BTU ÷ 947.81712
To convert BTU to megajoules, divide the number of BTU by 947.81712.
1 BTU = 0.00105505585 MJ
Examples
- 1,000 BTU ÷ 947.81712 = 1.05505585 MJ
- About one therm: 100,000 BTU ÷ 947.81712 = 105.505585 MJ
Good to know
This is the International Table BTU, 1055.05585262 J. Other definitions exist, such as the thermochemical BTU (about 1054.35 J); they differ from it by up to about 0.5%.
BTU to megajoules conversion table
| BTU | Megajoules (MJ) |
|---|---|
| 1 BTU | 0.00105505585 MJ |
| 10 BTU | 0.0105505585 MJ |
| 100 BTU | 0.105505585 MJ |
| 500 BTU | 0.527527926 MJ |
| 1,000 BTU | 1.05505585 MJ |
| 2,000 BTU | 2.11011171 MJ |
| 5,000 BTU | 5.27527926 MJ |
| 10,000 BTU | 10.5505585 MJ |
| 12,000 BTU | 12.6606702 MJ |
| 20,000 BTU | 21.1011171 MJ |
| 50,000 BTU | 52.7527926 MJ |
| 100,000 BTU | 105.505585 MJ |
| 500,000 BTU | 527.527926 MJ |
| 1,000,000 BTU | 1,055.05585 MJ |
Unit definitions
- BTU
- The British thermal unit is roughly the heat needed to raise one pound of water by one degree Fahrenheit. The International Table BTU is exactly 1055.05585262 joules, and it is used for heating and cooling in the United States.
- Megajoule (MJ)
- A megajoule is 1,000,000 joules. It is used for the energy content of fuels and for gas billing in some countries.