British thermal unit

The British thermal unit (Btu) is a measure of heat, which is a form of energy. It was originally defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. It is also part of the United States customary units.

The SI unit for energy is the joule (J); one Btu equals about 1,055 J.

Back to Home Systems & HVAC →

Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 4.0

DRAINHOUSE

Home improvement, renovation tips, and comfortable living guides.

Get new guides by emailOccasional emails. No spam. Unsubscribe anytime.

InformationAbout Contact Privacy Policy Terms of Service Disclaimer Affiliate Disclosure Cookie Policy

Every species, image, fact, and figure is drawn from Wikipedia and Wikimedia Commons, used under public-domain and Creative Commons licenses. No content is AI-generated.