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 British thermal unit?

A British thermal unit (BTU) is an energy unit defined as the heat needed to raise one pound of water by one degree Fahrenheit. It is used in HVAC systems, heating and cooling equipment ratings, and natural gas billing in the United States.

Worked examples

1 therm (US) = 100,000.39309578 British thermal unit

1 British thermal unit = 1,055.05585262 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.