Reference Designer Calculators
mm to Micrometer (um) calculator
PCB Designers often need to work on metric as well as mils and inches.
The formula and calculator convert micrometer to mils and Vice versa.
Following is the formula for mils to um conversion.
um = Mils * 25.4
Following is the formula for um to mils conversion.
Mils = um * / 25.4