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Convert Inches to MM
The Fractional Equivalents Chart that is a special aid to graphic artists. Bookmark this page. Convert inches and mm. Convert mm to inches. Change preferences in Adobe software.
An easy chart for graphic designers.
Convert inches to mm and convert mm to inches with this Fractional Equivalents Chart starting with fractions. Bookmark this page as a reference!
Please bookmark this page, to easily find this chart. Also see paper weight conversion and heavier stock for more information.
Book designers or any graphic designer may find this chart helpful for everything they create in InDesign or Photoshop.
Fractional Equivalents.
Convert inches to mm and convert mm to inches.
Fraction | Decimal | MM | Fraction | Decimal | MM |
1/64 | .0156 | 0.396 | 33/64 | 5156 | 13.096 |
1/32 | .0312 | 0.793 | 17/32 | .5312 | 13.493 |
3/64 | .0468 | 1.190 | 35/64 | .5468 | 13.890 |
1/16 | .0625 | 1.587 | 9/16 | .5625 | 14.287 |
5/64 | .0781 | 1.984 | 37/64 | .5781 | 14.684 |
3/32 | .0937 | 2.381 | 19/32 | .5937 | 15.081 |
7/64 | .1093 | 2.778 | 39/64 | .6093 | 15.478 |
1/8 inch | .125 inch | 3.175 mm | 5/8 inch | .625 inch | 15.875mm |
9/64 | .1406 | 3.571 | 41/64 | .6406 | 16.271 |
5/32 | .1562 | 3.968 | 21/32 | .6562 | 16.668 |
11/64 | .1718 | 4.365 | 43/64 | .6718 | 17.065 |
3/16 | .1875 | 4.762 | 11/16 | .6875 | 17.462 |
13/64 | .2031 | 5.159 | 45/64 | .7031 | 17.859 |
7/32 | .2187 | 5.556 | 23/32 | .7187 | 18.256 |
15/64 | .2343 | 5.953 | 47/64 | .7343 | 18.653 |
1/4 inch | .25 inch | 6.350 mm | 3/4 inch | .75 inch | 19.050 mm |
17/64 | .2656 | 6.746 | 49/64 | .7656 | 19.446 |
9/32 | .2812 | 7.143 | 25/32 | .7812 | 19.843 |
19/64 | .2968 | 7.540 | 51/64 | .7968 | 20.240 |
5/16 | .3125 | 7.937 | 13/16 | .8125 | 20.637 |
21/64 | .328 | 8.334 | 53/64 | .8281 | 21.034 |
11/32 | .3437 | 8.731 | 27/32 | .8437 | 21.431 |
23/64 | .3593 | 9.128 | 55/64 | .8593 | 21.828 |
3/8 inch | .375 inch | 9.525 mm | 7/8 inch | .875 inch | 22.225 mm |
25/64 | .3906 | 9.921 | 57/64 | .8906 | 22.621 |
13/32 | .4062 | 10.318 | 29/32 | .9062 | 23.018 |
27/64 | .4218 | 10.715 | 59/64 | .9218 | 23.415 |
7/16 | .4375 | 11.112 | 15/16 | .9375 | 23.812 |
29/64 | .4531 | 11.509 | 61/64 | .9531 | 24.209 |
15/32 | .4687 | 11.906 | 31/32 | .9687 | 24.606 |
31/64 | .4543 | 12.303 | 63/64 | .9843 | 25.003 |
1/2 inch | .5 inch | 12.700 mm | 1 inch | 1.0 inch | 25.4 mm |
How to change Adobe “Preferences.”
You can also change preferences in Adobe InDesign, Photoshop and Illustrator to convert inches to millimeters, inches, fractions, or decimal.
Adobe InDesign, Photoshop and Illustrator.
Select Edit > Preferences, then select Units & Increments and make your change.
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