Microinch to Mil Converter (µin to mil)

How to convert microinches to mils

1 microinch is equal to 0.001 mils, and 1 mil is equal to 1,000 microinches. To convert, multiply by the conversion factor:

mils = microinches × 0.001
mils = microinches ÷ 1,000

Example: convert 15 µin to mil: 15 × 0.001 = 0.015 mil.

A microinch is one millionth of an inch (25.4 nm). It's used to specify surface roughness in machining.

Symbol: µin · 1 µin = 2.54 × 10⁻⁸ m · Category: Imperial & US customary

The mil (or thou) is one thousandth of an inch (25.4 µm). It's used for wire diameters, plastic sheet thickness and circuit board tracks.

Symbol: mil · 1 mil = 0.0000254 m · Category: Imperial & US customary

Frequently asked questions

How many mils are in a microinch?

There are 0.001 mils in 1 microinch (µin).

How many microinches are in a mil?

1 mil (mil) equals 1,000 microinches.

How do I convert microinches to mils?

Multiply the length in microinches by 0.001. For example, 15 µin × 0.001 = 0.015 mil.

How do I convert mils to microinches?

Divide the length in mils by 0.001, or multiply it by 1,000. You can also use the Mil to Microinch converter.