Unit Definition (pie [Texas]) The pie is a traditional foot of Spain. The pie equals 1/3 vara or 12 pulgadas. In Texas, 1/3 vara is 11 1/9 inches or 28.22 centimeters.
Unit Definition (nanometer) Equal to 0.000000001 meters (formerly millimicron), or 0.03937 microinch.
Length/Distance 
