An Easy Chart for Graphic Designers: Convert Inches to MM and Convert MM to Inches with this Fractional Equivalents Chart.
Convert Inches to MM and Convert MM to Inches, starting with fractions. Bookmark this page as a reference! Book designers or any graphic designer may find this chart helpful for everything they create in InDesign or Photoshop.
Please add a link from your website, so you can easily find this chart. Also see paper weight conversion and heavier stock for more information.
Fractional Equivalents. Convert Inches to MM and Convert MM to Inches
Fraction
1/64
1/32
3/64
1/16
5/64
3/32
7/64
1/8 inch
9/64
5/32
11/64
3/16
13/64
7/32
15/64
1/4 inch
17/64
9/32
19/64
5/16
21/64
11/32
23/64
3/8 inch
25/64
13/32
27/64
7/16
29/64
15/32
31/64
1/2 inch
Decimal
.0156
.0312
.0468
.0625
.0781
.0937
.1093
.125 inch
.1406
.1562
.1718
.1875
.2031
.2187
.2343
.25 inch
.2656
.2812
.2968
.3125
.3281
.3437
.3593
.375 inch
.3906
.4062
.4218
.4375
.4531
.4687
.4543
.5 inch
MM
0.396
0.793
1.190
1.587
1.984
2.381
2.778
3.175 mm
3.571
3.968
4.365
4.762
5.159
5.556
5.953
6.350 mm
6.746
7.143
7.540
7.937
8.334
8.731
9.128
9.525 mm
9.921
10.318
10.715
11.112
11.509
11.906
12.303
12.700 mm
Fraction
33/64
17/32
35/64
9/16
37/64
19/32
39/64
5/8 inch
41/64
21/32
43/64
11/16
45/64
23/32
47/64
3/4 inch
49/64
25/32
51/64
13/16
53/64
27/32
55/64
7/8 inch
57/64
29/32
59/64
15/16
61/64
31/32
63/64
1 inch
Decimal
.5156
.5312
.5468
.5625
.5781
.5937
.6093
.625 inch
.6406
.6562
.6718
.6875
.7031
.7187
.7343
.75 inch
.7656
.7812
.7968
.8125
.8281
.8437
.8593
.875 inch
.8906
.9062
.9218
.9375
.9531
.9687
.9843
1.0 inch
MM
13.096
13.493
13.890
14.287
14.684
15.081
15.478
15.875 mm
16.271
16.668
17.065
17.462
17.859
18.256
18.653
19.050 mm
19.446
19.843
20.240
20.637
21.034
21.431
21.828
22.225 mm
22.621
23.018
23.415
23.812
24.209
24.606
25.003
25.4 mm
How to change Preferences
You can also change preferences in Adobe InDesign and Adobe Photoshop, to convert inches to mm or convert mm to inches.
InDesign
Select Edit > Preferences, then select Units & Increments and make your change.
Photoshop
Select Edit > Preferences, then select Units & Rulers and make your change.
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