How many?

Microinches

A microinch is a unit of measurement, the length of one one-millionth of an inch, equivalent to 25.4 nanometers. Being such a small measurement, micorinches are often used in precision machining and to measure surface finishes.

Yards

The yard is an English unit of length, in both the British imperial and US customary systems of measurement, that comprises 3 feet or 36 inches. Did you know that a yard of ale, whilst being 2.5 imperial pints of beer, is so called because the glass is a yard long.