Atto
type: DecimalPrefix
type: Prefix
description: "atto" is a decimal prefix for expressing a value with a scaling of \(10^{-18}\).
dbpedia match: http://dbpedia.org/resource/Atto
informative reference: https://en.wikipedia.org/wiki/Atto
prefix multiplier: 0.000000000000000001
prefix multiplier SN: 1.0E-18
si exact match: atto
symbol: a
ucum code: a