CM  to  MM Converter

Conversion Guide

Multiply the centimeter value by 10. Example: 2.54cm * 10 = 25.4mm

Conversion Settings
This is a direct conversion between metric units and is consistent across all devices.
CM to MM Conversion Table
CMMMActions
0.11
0.55
110
220
550
10100
20200
50500
1001000

Frequently Asked Questions

Basics

What is CM?

Centimeters (cm) are absolute-length units that correspond to physical centimeters, commonly used in print design and European markets.

4cm012344cm × 1cm
How do cm units compare to other length units?
1cm equals 10mm or approximately 37.8px (at 96 DPI). For web design, relative units like rem are generally preferred.
When are cm units most appropriate?
cm units are most appropriate for print stylesheets or when precise physical measurements are needed in metric units.

What is MM?

Millimeters (mm) are absolute-length units that correspond to physical millimeters, primarily used in print design.

1cm = 10mm25mm × 10mm
How accurate are mm units on screens?
The accuracy of mm units on screens depends on the device's DPI settings and physical characteristics. They're more reliable in print.
When should I use mm?
Use mm in print stylesheets or when designing for international markets that use the metric system.

Conversion

How to convert CM to MM?

To convert CM to MM, use the following formula:

cm * 10