SECTION ST
GI
MA
EM
LC
EC
FE
CL
MT
KD
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
INCH FRACTION TO METRIC CONVERSION CHART
FRACTION INCH MM
1/64 0.015625 0.3969
1/32 0.03125 0.7938
3/64 0.046875 1.1906
1/16 0.0625 1.5875
5/64 0.078125 1.9844
3/32 0.09375 2.3813
7/64 0.109375 2.7781
1/8 0.125 3.1750
9/64 0.140625 3.5719
5/32 0.15625 3.9688
11/64 0.171875 4.3656
3/16 0.1875 4.7625
13/64 0.203125 5.1594
7/32 0.21875 5.5563
15/64 0.234375 5.9531
1/4 0.250 6.3500
17/64 0.265625 6.7469
9/32 0.28125 7.1438
19/64 0.296875 7.5406
5/16 0.3125 7.9375
21/64 0.328125 8.3344
11/32 0.34375 8.7313
23/64 0.359375 9.1282
3/8 0.375 9.5250
25/64 0.390625 9.9219
13/32 0.40625 10.3188
27/64 0.421875 10.7157
7/16 0.4375 11.1125
29/64 0.453125 11.5094
15/32 0.46875 11.9063
31/64 0.484375 12.3032
1/2 0.500 12.7001
33/64 0.515625 13.096
17/32 0.53125 13.493
35/64 0.546875 13.890
9/16 0.5625 14.287
37/64 0.578125 14.684
19/32 0.59375 15.081
39/64 0.609375 15.478
5/8 0.625 15.875
41/64 0.640625 16.271
21/32 0.65625 16.668
43/64 0.671875 17.065
11/16 0.6875 17.462
45/64 0.703125 17.859
23/32 0.71875 18.256
47/64 0.734375 18.653
3/4 0.750 19.050
49/64 0.765625 19.447
25/32 0.78125 19.843
51/64 0.796875 20.240
13/16 0.8125 20.6375
53/64 0.828125 21.0345
27/32 0.84375 21.431
55/64 0.859375 21.8282
7/8 0.875 22.2251
57/64 0.890625 22.6220
29/32 0.90625 23.0188
59/64 0.921875 23.4157
15/16 0.9375 23.8126
61/64 0.953125 24.2095
31/32 0.96875 24.6063
63/64 0.984375 25.0032
1 1.000 25.4001