Enter a whole number of inches (in, «):
Select a fractional part of an inch:
Conversion result in mm:
How to convert from fractional inches (1/8, 1/4, 3/8, 1/2, 3/4) to mm?
You need to multiply the fraction in inches by 25.4 and then you get the result in mm.
Since 1 inch contains 25.4mm