This handy chart will help you in determining what decimal
is closest to what fraction of an inch on the standard Imperial
measuring system. Metric conversion formula is at the bottom.

.0625 = 1/16"
.125 = 1/8"
.1875 = 3/16"
.25 = 1/4"
.25 = 2/8"
_______________

.3125 = 5/16"
.375 = 3/8"
.4375 = 7/16"
.5 = 1/2"
.5 = 2/4"
.5 = 4/8"
_______________

.5625 = 9/16"
.625 = 5/8"
.6875 = 11/16"
.75 = 3/4"
.75 = 6/8"
_______________

.8125 = 13/16"
.875 = 7/8"
.9375 = 15/16"