**Full name:** attohenry

**Plural form:** attohenries

**Symbol:** aH

**Alternate spelling:** attohenrys

**Category type:** inductance

**Scale factor:** 1.0E-18

The SI derived unit for inductance is the henry.

1 henry is equal to 1.0E+18 attohenry.

Valid units must be of the **inductance** type.

You can use this form to select from known units:

The SI prefix "atto" represents a factor of
10^{-18}, or in exponential notation, 1E-18.

So 1 attohenry = 10^{-18} henries.

The definition of a henry is as follows:

The henry (symbol: H) is the SI unit of inductance. It is named after Joseph Henry (1797-1878), the American scientist who discovered electromagnetic induction independently of and at about the same time as Michael Faraday (1791-1867) in England.

attohenry to nanohenry

attohenry to decahenry

attohenry to hectohenry

attohenry to femtohenry

attohenry to zettahenry

attohenry to decihenry

attohenry to terahenry

attohenry to megahenry

attohenry to exahenry

attohenry to kilohenry