Unit Converter

Convert length, weight, temperature, and all physical units

How to Convert Centimeters to Millimeters

Simply multiply centimeters by 10 to get millimeters. This straightforward conversion is used in technical drawings, medical records, and precision engineering where millimeter accuracy is required.

Conversion Formula

mm = cm × 10

Quick Reference Table

Centimeter Millimeter
0.1 1
0.5 5
1 10
2.5 25
5 50
10 100
30 300

How to Use the Unit Converter

The Internet Octopus Unit Converter supports 14 categories and over 100 units. Enter a value and select units to see instant conversion results.

Supported Unit Categories

How to Use

  1. Enter a number in the left input field.
  2. Select the source unit from the left dropdown.
  3. Select the target unit from the right dropdown — only compatible units are shown.
  4. The result appears instantly. Use the swap button to reverse the conversion.