## Reference Designer Calculators

### Mils 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. The micrometer is also referred to as microns.

Following is the formula for mils to microns ( micrometer) conversion.

um = Mils * 25.4

Following is the formula for um to mils conversion.

Mils = um * / 25.4