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 kilowatt hour?

A kilowatt hour is a unit of energy equal to 1,000 watt hours. It is the standard billing unit used by electricity providers worldwide to measure household and commercial energy consumption.

Worked examples

1 therm (US) = 29.30722222 kilowatt hour

1 kilowatt hour = 3,600,000 joule