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 watt hour?

A watt hour is a unit of energy equal to the power of one watt sustained for one hour. It is used to measure small amounts of electrical energy consumption, particularly in battery capacities and portable electronics.

Worked examples

1 therm (US) = 29,307.22222222 watt hour

1 watt hour = 3,600 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.