51.714—Metric conversion table.

Inches Millimeters (mm)
1/4 equals 6.4
5/16 equals 7.9
3/8 equals 9.5
1/2 equals 12.7
5/8 equals 15.9
3/4 equals 19.1
7/8 equals 22.2
1 equals 25.4
11/4 equals 31.8
23/16 equals 55.6
24/16 equals 57.2
27/16 equals 61.9
28/16 equals 63.5
29/16 equals 65.1
211/16 equals 68.3
212/16 equals 69.9
215/16 equals 74.6
31/16 equals 77.8
33/16 equals 81.0
35/16 equals 84.1
37/16 equals 87.3
39/16 equals 90.5
313/16 equals 96.8