Convert Ems (em) to Millimeters (mm)
Converting em to millimeters is essential for precise typography and design work. With the conversion factor of 1 em = 4.23333 mm, you can easily translate your font sizes into a metric system. This is particularly useful in graphic design and web development.
≈ 4 15/64 mm
Conversion Formula
Reverse: em = mm × 0.236221
Conversion Examples
Em to Millimeter Table
| Em (em) | Millimeter (mm) | Fraction |
|---|---|---|
| 1 | 4.2333 | 4 15/64 |
| 2 | 8.4667 | 8 15/32 |
| 3 | 12.7 | 12 45/64 |
| 4 | 16.9333 | 16 15/16 |
| 5 | 21.1667 | 21 11/64 |
| 6 | 25.4 | 25 13/32 |
| 7 | 29.6333 | 29 41/64 |
| 8 | 33.8666 | 33 55/64 |
| 9 | 38.1 | 38 3/32 |
| 10 | 42.3333 | 42 21/64 |
| 11 | 46.5666 | 46 9/16 |
| 12 | 50.8 | 50 51/64 |
| 13 | 55.0333 | 55 1/32 |
| 14 | 59.2666 | 59 17/64 |
| 15 | 63.5 | 63 1/2 |
| 16 | 67.7333 | 67 47/64 |
| 17 | 71.9666 | 71 31/32 |
| 18 | 76.2 | 76 13/64 |
| 19 | 80.4333 | 80 7/16 |
| 20 | 84.6666 | 84 43/64 |
Unit Definitions
What is a Em (em)?
An em is a unit of measurement in typography that is relative to the current font size. It is commonly used to define spacing and sizing in digital design.
History
The term 'em' originates from the width of the letter 'M' in traditional typography, which varied with the typeface. It has been a fundamental unit since the early days of printing.
Current Use
Today, ems are widely used in web design and layout to create responsive and scalable elements, ensuring that designs maintain integrity across different screen sizes.
Learn more about EmWhat is a Millimeter (mm)?
A millimeter (mm) is a metric unit of length equal to one-thousandth of a meter. It is commonly used in various fields, including engineering and manufacturing.
History
The millimeter was first defined in France in the late 18th century as part of the metric system. It has since become a standard unit of measurement worldwide.
Current Use
Millimeters are used globally in science, industry, and construction for precise measurements, allowing for accurate specifications and designs.
Learn more about Millimeter