Metric conversion table.

§ 51.653 Metric conversion table. Inches Millimeters (mm) 1/4 equals 6.4 3/8 equals 9.5 1/2 equals 12.7 9/16 equals 14.3 5/8 equals 15.9 3/4 equals 19.1 7/8 equals 22.2 1 equals 25.4 1 1/4 equals 31.8 1 1/2 equals 38.1 3 equals 76.2 3 2/16 equals 79.4 3 6/16 equals 85.7 3 8/16 equals 88.9 3 10/16 equals 92.1 3 13/16 equals 96.8 3 14/16 equals 98.4 3 15/16 equals 100.0 4 2/16 equals 104.8 4 5/16 equals 109.5 4 8/16 equals 114.3 4 12/16 equals 120.7 5 equals 127.0