British thermal unit
BTU standard definitionInternational Table BTU = 1055.05585262 J exactly (rulebook C.4). Differs from thermochemical BTU (1054.35 J); v0.1 uses IT consistently.
Definition
- Dimension
- Energy
- Symbols
- BTU
- System
- convention
- Base factor
- ×1055.05585262
- Exactness
- standard definition
Fixed by a published standard or convention (toe, therm, IT cal/BTU).
Also known as
btubtusbritish thermal unitsbtu_it
Sources
Common conversions
for 1 BTU| joule | 1,055.06 | J | standard definition |
| kilojoule | 1.05506 | kJ | standard definition |
| megajoule | 0.00105506 | MJ | standard definition |
| gigajoule | 0.00000105506 | GJ | standard definition |
| kilowatt hour | 0.000293071 | kWh | standard definition |
| megawatt hour | 0.000000293071 | MWh | standard definition |
| million British thermal units | 0.000001 | MMBTU | standard definition |
| therm (US) | 0.00001 | therm | standard definition |
| tonne of oil equivalent | 0.0000000251996 | toe | standard definition |