Therm
The therm (symbol thm) is a non-SI unit of heat energy equal to 100,000 British thermal units. It is approximately the energy equivalent of burning 100 cubic feet (often referred to as 1 CCF) of natural gas at standard temperature and pressure (STP).
British/American
- Quad1×10⁻¹⁰
- Therm1
- British thermal unit (BTU)100,000.39
- Foot-pound77,819,347.14
Other
- kcal25,199.68
- cal25,199,675.38
- Thermie (th)25.2