British thermal unit (BTU)
The British thermal unit (BTU or Btu) is a unit of energy used in North America. It is also still occasionally encountered in the United Kingdom, in the context of older heating and cooling systems.
British/American
- Quad1×10⁻¹⁵
- Therm1×10⁻⁵
- British thermal unit (BTU)1
- Foot-pound778.19
Other
- kcal0.25
- cal252
- Thermie (th)2.52×10⁻⁴