What is therm (US)?

A US therm is a unit of energy equal to 100,000 BTU. It is used by gas utility companies in the United States as the standard billing unit for natural gas consumption.

What is calorie (thermochemical)?

The thermochemical calorie is a unit of energy equal to approximately 4.184 joules. It is used in chemistry and physics to express small heat quantities, particularly in thermochemical experiments.

Worked examples

1 therm (US) = 25,216,539.19694072 calorie (thermochemical)

1 calorie (thermochemical) = 4.184 joule

More Energy conversions

• Convert therm (US) to joule
• Convert therm (US) to kilojoule
• Convert therm (US) to kilowatt hour
• Convert therm (US) to calorie (thermochemical)
• Convert therm (US) to kilocalorie (dietary)
• Convert therm (US) to watt hour
• Convert therm (US) to megajoule
• Convert therm (US) to electronvolt
• Convert therm (US) to British thermal unit

Assumption: calorie means thermochemical calorie, and therm means US therm.