What is 20mil in Ems?

You are: Home > Length > Mils to Ems

What is 20 Mils (20mil) in Ems (em)?

What is 20mil in em? Convert 20 Mils (20mil) to Ems (em) and show formula, brief history on the units and quick maths for the conversion.

Enter Mils to convert to Ems


Quick Reference for Converting Mils to Ems

Formula
em = mil / 166.63
Quick Rough Maths
To get the Ems, divide the number of Mils by 166.6
Mils (mil) in 1 Em
There are 166.63 Mils in 1 Em
Ems (em) in 1 Mil
There are 0.01 Ems in 1 Mil

Unit Information

Mil
/mɪl/
Symbol: mil
Unit System: Imperial

What is the Mil?

The mil is a unit of length in the imperial unit system and uses the symbol mil (or sometimes thou).

A mil in one one-thousandth of an inch (0.001 inches) or 25.4 μm.

The mil is still used in the US to measure thickness of various materials.

Em
/ɛm/
Symbol: em
Unit System: Typography

What is the Em?

The em is a unit of length in the field of typography and uses the symbol em.

It is a "relative" unit and equals the currently specified point size. For example, 1 em in a 24-point typeface is equal to 24 points. This allows a typographer to specify text size relative to a base figure.

In metal type, the em was equal to the line height of the metal body. This meant the physical size of the letter could not exceed the em. In digital type, the em is a grid of arbitrary resolution so can be scaled to any point size for screen or print.


Conversion Tables for Mils (mil) to Ems (em)