Millimeters to Centimeters (mm to cm)
Free online millimeter to centimeter converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
LENGTH CONVERTER — INSTANT RESULT
Formula: multiply the millimeter value by 0.1 — i.e. cm = mm × 0.1
Quick check: 1 mm = 0.1 cm
Quick check: 1 mm = 0.1 cm
Millimeters to Centimeters conversion table
| Millimeters (mm) | Centimeters (cm) |
|---|---|
| 1 mm | 0.1 cm |
| 2 mm | 0.2 cm |
| 3 mm | 0.3 cm |
| 4 mm | 0.4 cm |
| 5 mm | 0.5 cm |
| 6 mm | 0.6 cm |
| 7 mm | 0.7 cm |
| 8 mm | 0.8 cm |
| 9 mm | 0.9 cm |
| 10 mm | 1 cm |
| 15 mm | 1.5 cm |
| 20 mm | 2 cm |
| 25 mm | 2.5 cm |
| 30 mm | 3 cm |
| 40 mm | 4 cm |
| 50 mm | 5 cm |
| 75 mm | 7.5 cm |
| 100 mm | 10 cm |
| 250 mm | 25 cm |
| 500 mm | 50 cm |
| 1,000 mm | 100 cm |
How to convert millimeters to centimeters
To convert millimeters to centimeters, multiply the amount in millimeters by 0.1. For example, 10 mm = 1 cm. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.
Convert between metric and imperial/US customary length units, plus nautical, astronomical and survey units. The meter is the SI base unit of length; all factors below are exact definitions where a legal definition exists.
Frequently asked questions
How many centimeters are in one millimeter?
One millimeter is exactly 0.1 centimeters.
How do I convert mm to cm?
Multiply the mm value by 0.1 to get cm. The converter at the top of this page does this automatically and works in both directions.
How much is 100 millimeters in centimeters?
100 millimeters equals 10 centimeters.