Shop reference
Fractions & decimals
The same conversion chart that's in the back of our catalog — every 32nd of an inch, plus a quick inch/millimeter converter for metric parts.
Measure in inches
Converting inches to millimeters
1 inch is equal to 25.4 mm. Measure in inches and multiply by 25.4 — for example, 0.7874″ × 25.4 = 20 mm.
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Fractions of an inch
Every 32nd, decimal equivalents
Bigger tiles are the common cuts — quarters and eighths — just like the catalog page.
- 1/32 .03125
- 1/16 .0625
- 3/32 .09375
- 1/8 .125
- 5/32 .15625
- 3/16 .1875
- 7/32 .21875
- 1/4 .250
- 9/32 .28125
- 5/16 .3125
- 11/32 .34375
- 3/8 .375
- 13/32 .40625
- 7/16 .4375
- 15/32 .46875
- 1/2 .500
- 17/32 .53125
- 9/16 .5625
- 19/32 .59375
- 5/8 .625
- 21/32 .65625
- 11/16 .6875
- 23/32 .71875
- 3/4 .750
- 25/32 .78125
- 13/16 .8125
- 27/32 .84375
- 7/8 .875
- 29/32 .90625
- 15/16 .9375
- 31/32 .96875
- 1 1.000
Metric part in a standard machine?
If it isn't on the shelf, our supplier network probably has it. Call the counter and we'll track down the size you need.