Henry (SI unit)

Last revised by Andrew Murphy on 2 Apr 2020

The henry (symbol: H) is the SI derived unit of electrical inductance. 


As per all other eponymous SI units when the unit is written out in full it is not capitalized, but when shortened to its symbol it is capitalized.

History and etymology

The henry is named in honor of Joseph Henry (1797-1878) an American physicist who discovered electromagnetic inductance 1

ADVERTISEMENT: Supporters see fewer/no ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.