›› Measurement unit: Btu

Full name: British thermal unit

Plural form: Btus

Symbol: BTU

Alternate spelling: British thermal units

Category type: energy

Scale factor: 1055.0559


›› Similar units

British thermal unit
Btu [thermochemical]


›› SI unit: joule

The SI derived unit for energy is the joule.
1 joule is equal to 0.00094781707774915 Btu.


›› Convert Btu to another unit

Convert Btu to  

Valid units must be of the energy type.
You can use this form to select from known units:

Convert Btu to  


›› Definition: Btu

The British thermal unit (BTU or Btu) is a non-metric unit of energy, used in the United States and, to a lesser extent, the UK (where it isgenerally only used for heating systems). The SI unit is the joule (J), which is used by most other countries.


›› Sample conversions: Btu

Btu to yottajoule
Btu to kiloton [explosive]
Btu to megaton [explosive]
Btu to gallon [U.S.] of distillate no. 2 fuel oil
Btu to zettawatthour
Btu to pferdestärkenstunde
Btu to dekawatt hour
Btu to attojoule
Btu to kilogram-force meter
Btu to horsepower hour