Fraction Chart

by Mirror Reflections
Download PDF version here.
Inches Decimal MM
  0.00004 0.001
  0.00039 0.01
  0.00079 0.02
  0.001 0.025
  0.00118 0.03
  0.00157 0.04
  0.00197 0.05
  0.002 0.051
  0.00236 0.06
  0.00276 0.07
  0.003 0.0762
  0.00315 0.08
  0.00354 0.09
  0.00394 0.1
  0.004 0.1016
  0.005 0.127
  0.006 0.1524
  0.007 0.1778
  0.008 0.2032
  0.009 0.2286
  0.00984 0.25
  0.01 0.254
  0.01181 0.3
1/64 0.01563 0.3969
  0.01575 0.4
  0.01969 0.5
  0.02 0.508
  0.02362 0.6
  0.025 0.635
  0.02756 0.7
  0.0295 0.75
  0.03 0.762
1/32 0.03125 0.7938
  0.0315 0.8
  0.03543 0.9
Inches Decimal MM
  0.03937 1
  0.04 1.016
3/64 0.04687 1.191
  0.04724 1.2
  0.05 1.27
  0.05512 1.4
  0.05906 1.5
  0.06 1.524
1/16 0.0625 1.5875
  0.06299 1.6
  0.06693 1.7
  0.07 1.778
  0.07087 1.8
  0.075 1.905
5/64 0.07813 1.9844
  0.07874 2
  0.08 2.032
  0.08861 2.2
  0.09 2.286
  0.09055 2.3
3/32 0.09375 2.3812
  0.09843 2.5
  0.1 2.54
  0.10236 2.6
7/64 0.10937 2.7781
  0.11811 3
1/8 0.125 3.175
  0.1378 3.5
9/64 0.14036 3.5719
  0.15 3.18
5/32 0.15625 3.9688
  0.15748 4
11/64 0.17188 4.3656
  0.175 4.445
  0.17717 4.5
Inches Decimal MM
3/16 0.1875 4.7625
  0.19685 5
  0.2 5.08
13/64 0.20313 5.1594
  0.21654 5.5
7/32 0.21875 5.5562
  0.225 5.715
15/64 0.23438 5.9531
  0.23622 6
1/4 0.25 6.35
  0.25591 6.5
17/64 0.26563 6.7469
  0.275 6.985
  0.27559 7
9/32 0.28125 7.1438
  0.29528 7.5
19/64 0.29688 7.5406
  0.3 7.62
5/16 0.3125 7.9375
  0.31496 8
21/64 0.32813 8.3344
  0.33465 8.5
11/32 0.34375 8.7312
  0.35 8.89
  0.35433 9
23/64 0.35938 9.1281
  0.37402 9.5
3/8 0.375 9.525
25/64 0.39063 9.9219
  0.3937 10
  0.4 10.16
13/32 0.40625 10.3188
  0.41339 10.5
27/64 0.42188 10.7156
  0.43307 11
Inches Decimal MM
7/16 0.4375 11.1125
  0.45 11.5
29/64 0.45313 11.5094
15/32 0.46875 11.9062
  0.47244 12
31/64 0.48438 12.3031
  0.49213 12.5
1/2 0.5 12.7
  0.51181 13
33/64 0.51563 13.0969
17/32 0.53125 13.4938
  0.5315 13.5
35/64 0.54688 13.8906
  0.55 13.97
  0.55118 14
9/16 0.5625 14.2875
  0.57087 14.5
37/64 0.57813 14.6844
  0.59055 15
19/32 0.59375 15.0812
  0.6 15.24
39/64 0.60938 15.4781
  0.61024 15.5
5/8 0.625 15.875
  0.62992 16
41/64 0.64063 16.2719
  0.64961 16.5
  0.65 16.51
21/32 0.65625 16.6688
  0.66929 17
43/64 0.67188 17.0656
11/16 0.6875 17.4625
  0.68898 17.5
  0.7 17.78
45/64 0.70313 17.8594
Inches Decimal MM
  0.70866 18
23/32 0.71875 18.2562
  0.72835 18.5
47/64 0.73438 18.6531
  0.74803 19
3/4 0.75 19.05
49/64 0.76563 19.4469
  0.76772 19.5
25/32 0.78125 19.8438
  0.7874 20
51/64 0.79688 20.2406
  0.8 20.32
  0.80709 20.5
13/16 0.8125 20.6375
  0.82677 21
53/64 0.82813 21.0344
27/32 0.84375 21.4312
  0.84646 21.5
  0.85 21.59
55/64 0.85938 21.8281
  0.86614 22
7/8 0.875 22.225
  0.88583 22.5
57/64 0.89063 22.6219
  0.9 22.86
  0.90551 23
29/32 0.90625 23.0188
59/64 0.92188 23.4156
  0.9252 23.5
15/16 0.9375 23.8125
  0.94488 24
61/64 0.95313 24.13
  0.96457 24.5
31/32 0.96875 24.6062
  0.98425 25
63/64 0.98438 25.0031
1 1 25.4