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Inch - Metric Conversion Table
Inches
Fraction Decimal
MM
.01
.10
——— .0004
——— .004
——— .01
.25
1/64
.0156
.397
.0197
.50
.0295
.75
1/32
.03125 .794
.0394 1
3/64
.0469 1.191
.059
1.5
1/16
.0625 1.588
5/64
.0781 1.984
.0787 2
3/32
.094
2.381
.0984 2.5
7/64
.1093 2.776
.1181 3
1/8
.1250 3.175
.1378 3.5
9/64
.1406 3.572
5/32
.15625 3.969
.1575 4
11/64 .17187 4.366
.177
4.5
3/16
.1875 4.763
.1969 5
13/64 .2031 5.159
.2165 5.5
7/32
.2187 5.556
15/64 .23437 5.953
.2362 6
1/4
.2500 6.350
.2559 6.5
17/64 .2656 6.747
.2756 7
9/32
.28125 7.144
.2953 7.5
19/64 .29687 7.541
5/16
.3125 7.938
.3150 8
21/64 .3281 8.334
.335
8.5
Inches
Fraction Decimal
MM
11/32 .34375 8.731
.3543 9
23/64 .35937 9.128
.374
9.5
3/8
.3750 9.525
25/64 .3906 9.922
.3937 10
13/32 .4062 10.319
.413 10.5
27/64 .42187 10.716
.4331 11
7/16
.4375 11.113
29/64 .4531 11.509
15/32 .46875 11.906
.4724 12
31/64 .48437 12.303
.492 12.5
1/2
.500 12.700
.5118 13
33/64 .5156 13.097
17/32 .53125 13.494
35/64 .54687 13.891
.5512 14
9/16
.5625 14.288
.571 14.5
37/64 .57812 14.684
.5906 15
19/32 .59375 15.081
39/64 .60937 15.478
5/8
.6250 15.875
.6299 16
41/64 .6406 16.272
.6496 16.5
21/32 .65625 16.669
.6693 17
43/64 .67187 17.066
11/16 .6875 17.463
45/64 .7031 17.859
.7087 18
23/32 .71875 18.256
.7283 18.5
47/64 .73437 18.653
Inches
Fraction Decimal
MM
.7480 19
3/4
.7500 19.050
49/64 .7656 19.447
25/32 .78125 19.844
.7874 20
51/64 .79687 20.241
13/16 .8125 20.638
.8268 21
53/64 .8281 21.034
27/32 .84375 21.431
55/64 .85937 21.828
.8662 22
7/8
.8750 22.225
57/64 .8906 22.622
.9055 23
29/32 .90625 23.019
59/64 .92187 23.416
15/16 .9375 23.813
.9449 24
61/64 .9531 24.209
31/32 .96875 24.606
.9843 25
1
1.000 25.4
1.0236 26
1-1/32 1.0312 26.194
1-1/16 1.062 26.988
1.063 27
1-3/32 1.094 27.781
1.1024 28
1-1/8 1.125 28.575
1.1417 29
1-5/32 1.156 29.369
1.1811 30
1-3/16 1.1875 30.163
1-7/32 1.219 30.956
1.2205 31
1-1/4 1.250 31.750
1.2598 32
1-9/32 1.281 32.544
1.2992 33
1-5/16 1.312 33.338
1.3386 34
Inches
Fraction Decimal
MM
1-11/32 1.344 34.131
1-3
1.375 34.925
1.3779 35
1-13/32 1.406 35.719
1.4173 36
1-7/16 1.438 36.513
1.4567 37
1-15/32 1.469 37.306
1.4961 38
1-1/2 1.500 38.100
1-17/32 1.531 38.894
1.5354 39
1-9/16 1.562 39.688
1.5748 40
1-19/32 1.594 40.481
1.6142 41
1-5
1.625 41.275
1.6535 42
1-21/32 1.6562 42.069
1-11/16 1.6875 42.863
1.6929 43
1-21/32 1.719 43.656
1.7323 44
1-3/4 1.750 44.450
1.7717 45
1-25/32 1.781 45.244
1.8110 46
1-13/16 1.8125 46.038
1-27/32 1.844
46.831
1.8504 47
1-7
1.875 47.625
1.8898 48
1-29/32 1.9062 48.419
1.9291 49
1-15/16 1.9375 49.213
1.9685 50
50.006
1-31/32 1.969
2
2.000 50.800
2.0079 51
6