Home - Roll-Tech Wheels and Casters

Metric Conversions

FRACTION
(inch)
DECIMAL
(inch)
METRIC
(mm)
FRACTION
(inch)
DECIMAL
(inch)
METRIC
(mm)
1/64 .015625 0.39688 33/64 .515625 13.096888
1/32 .03125 0.79375 17/32 .53125 13.49375
3/64 .046875 1.19063 35/64 .546875 13.89063
1/16 .0625 1.58750 9/16 .5625 14.28750
5/64 .078125 1.98438 37/64 .578125 14.68438
3/32 .09375 2.38125 19/32 .59375 15.08125
7/64 .109375 2.77813 39/64 .609375 15.47813
1/8 .125 3.17500 5/8 .625 15.87500
9/64 .140625 3.57188 41/64 .640625 16.27188
5/32 .15625 3.96870 21/32 .65625 16.66875
11/64 .171875 4.36563 43/64 .671875 17.06563
3/16 .1875 4.76250 11/16 .6875 17.46250
13/64 .203125 5.15938 45/64 .703125 17.85938
7/32 .21875 5.55625 23/32 .71875 18.25625
15/64 .234375 5.95313 47/64 .734375 18.65313
1/4 .25 6.35000 3/4 .75 19.05000
17/64 .265625 6.74688 49/64 .765625 19.44688
9/32 .28125 7.14375 25/32 .78125 19.84375
19/64 .296875 7.54063 51/64 .796875 20.24063
5/16 .3125 7.93750 13/16 .8125 20.63750
21/64 .328125 8.33438 53/64 .828125 21.03438
11/32 .34375 8.73125 27/32 .84375 21.43125
23/64 .359375 9.12813 55/64 .859375 21.82810
3/8 .375 9.52500 7/8 .875 22.22500
25/64 .390625 9.92188 57/64 .890625 22.62188
13/32 .40625 10.31875 29/32 .90625 23.01875
27/64 .421875 10.71563 59/64 .921875 23.41563
7/16 .4375 11.11250 15/16 .9375 23.81250
29/64 .453125 11.50938 61/64 .953125 24.20930
15/32 .46875 11.90625 31/32 .96875 24.60625
31/64 .484375 12.30313 63/64 .984375 25.00313
1/2 .5 12.70000 1 1 25.40000