The Unit Converters

Mil to Millimeter

1 Mil = 0.0254 Millimeter


Conversion Formula

To convert Mil to Millimeter, multiply the value by 0.0254.

Mil × 0.0254 = Millimeter

Quick Reference

mil mm
1 0.0254
5 0.127
10 0.254
25 0.635
50 1.27
100 2.54
500 12.7
1000 25.4

What is Mil?

A mil (also known as a thou) is a unit of length equal to 0.001 inches (1/1000th of an inch).

One mil is approximately equal to 0.0254 mm.

Common Uses

Mils are widely used in engineering and manufacturing to specify the thickness of materials (like plastic films, paper, and gold leaf) and the tolerances of machined parts. In electronics, it is the standard unit for designing Printed Circuit Boards (PCBs).

What is Millimeter?

The millimeter (symbol: mm) is a unit of length in the International System of Units (SI).

It is a metric unit that is equal to one-thousandth of a meter (0.001 m). It is commonly used for very small distances or thickness, such as the thickness of a credit card or the diameter of a small wire.

Common Uses

The millimeter is widely used in engineering, manufacturing, and design where precision is required. It is also the standard unit for measuring rainfall in many countries.

How many millimeter are in a mil?

There are 0.0254 millimeter in 1 mil.


More Length Conversions

Other Converters