Unit Definition (nanometer) Equal to 0.000000001 meters (formerly millimicron), or 0.03937 microinch.
Unit Definition (pouce) The pouce is a French "inch" unit, equal to 1/12 pied. Based on the pied de roi, the pouce equals about 1.066 inches or 2.707 centimeters. The word pouce means "thumb" in French.
Length/Distance 
