Millimeters to Centimeters
Convert millimeters to centimeters instantly. The relationship is fixed: 1 mm = 0.1 cm (and 1 cm = 10 mm). To go from millimeters to centimeters, multiply by 0.1 (or divide by 10).
For example, 10 mm is 1 cm. Length conversions like this come up constantly — measuring height, screen and TV sizes, paper, furniture, and anything bought from a country that uses a different measurement system.
1 mm = 0.1 cm
ResultFull conversion table
| mm | cm |
|---|---|
| 1 | 0.1 |
| 2 | 0.2 |
| 3 | 0.3 |
| 5 | 0.5 |
| 10 | 1 |
| 15 | 1.5 |
| 20 | 2 |
| 25 | 2.5 |
| 30 | 3 |
| 50 | 5 |
| 100 | 10 |
How to convert millimeters to centimeters
The formula is: cm = mm × 0.1. Take your amount in millimeters, multiply by 0.1 (or divide by 10), and you have the result in centimeters. To reverse it, divide by 0.1 (or multiply by 10).
Use the table below for the most common values at a glance, or the calculator for any exact amount.
Frequently asked questions
How many centimeters are in 1 mm?
1 mm equals 0.1 cm.
How many centimeters is 10 mm?
10 mm is 1 cm.
What's the formula for millimeters to centimeters?
Multiply millimeters by 0.1: cm = mm × 0.1.
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