How to convert millimeters to centimeters
Millimeters and Centimeters both measure length, so converting is a single multiplication. One mm equals 0.1 cm, so you multiply your millimeters value by 0.1.
Formula: centimeters = millimeters × 0.1. For example, 10 mm = 1 cm.
Millimeters to Centimeters conversion table
| Millimeters (mm) | Centimeters (cm) |
|---|---|
| 1 | 0.1 |
| 2 | 0.2 |
| 5 | 0.5 |
| 10 | 1 |
| 25 | 2.5 |
| 50 | 5 |
| 100 | 10 |
| 1,000 | 100 |
Millimeters and Centimeters explained
Millimeters (mm): One-thousandth of a metre, used for small, precise measurements like rainfall or engineering tolerances.
Centimeters (cm): One-hundredth of a metre, common for body measurements, paper sizes and everyday lengths.
When you'd convert millimeters to centimeters
You'll convert millimeters to centimeters whenever a measurement is given in one unit but you need it in the other — comparing millimeters and centimeters figures across regions, following a recipe or spec, or double-checking a number. Because 1 mm is exactly 0.1 cm, the result is precise every time.
Frequently asked questions
How many centimeters are in a millimeter?
One mm equals 0.1 cm. Multiply your millimeters figure by 0.1 to get centimeters.
What is the formula to convert millimeters to centimeters?
centimeters = millimeters × 0.1. The factor 0.1 is exact.
What is 2 millimeters in centimeters?
2 mm = 0.2 cm. You can enter any value in the converter above to get an instant result.
Is this Millimeters to Centimeters converter accurate?
Yes. It uses the standard conversion factor (1 mm = 0.1 cm) defined by BIPM — SI Brochure (definition of the metre), so results are exact to several decimal places.