1 Ångström is equal to 0.1 nanometers. Expressed in the SI base unit meters 1 Ångström is equal to 1 x 10-10 meters. 1 Å = 0.0000000001 m.
International survey foot defined as exactly 0.3048 meters by convention in 1959. This is the most common modern foot measure. US Survey may also be used but are nearly identical for short distances. 1 ft = 0.3048 m.