Centimeters to millimeters
Instantly convert centimeters to millimeters (cm → mm) with precise results. Our converter uses the exact conversion factor, and supports up to 12 decimal places of accuracy.
1 cm = 10 mm
Formula
You can use the precise conversion formula below, if you want to convert centimeters to millimeters (cm to mm) manually.
Conversion formula: mm = cm × 10
Scientific basis: This relationship is based on SI prefixes, where 1 centimeter equals exactly 10 millimeters.
Equivalent value: 1 cm = 10 mm
Example: 20 cm = 20 × 10 = 200 mm
Explanation: To convert centimeters to millimeters, multiply the number of centimeters by 10.
Table
| Centimeters (cm) | Millimeters (mm) |
|---|---|
| 1 cm | 10 mm |
| 2 cm | 20 mm |
| 3 cm | 30 mm |
| 4 cm | 40 mm |
| 5 cm | 50 mm |
| 10 cm | 100 mm |
| 25 cm | 250 mm |
| 50 cm | 500 mm |
| 75 cm | 750 mm |
| 100 cm | 1,000 mm |
| 1,000 cm | 10,000 mm |
FAQ
What is centimeters?
A centimeter is a unit of length in the metric system (SI). The prefix centi (c) means one hundredth relative to the base unit, defining one centimeter as exactly 0.01 meters.
What is millimeters?
A millimeter is a unit of length in the metric system (SI). The prefix milli (m) means one thousandth relative to the base unit, defining one millimeter as exactly 0.001 meters.
What is the abbreviation for centimeter?
The standard abbreviation for centimeter is cm.
How to convert from centimeters to millimeters?
To convert centimeters to millimeters, multiply the number of centimeters by 10.
Example: 10 cm × 10 = 100 mm
How many millimeters is there in 1 centimeter?
There are exactly 10 millimeters in 1 centimeter.