Convert Centimeters to Millimeters
1 Centimeter (cm) = 10 Millimeters (mm). Use the free converter below to instantly convert any centimeter value to millimeters, or view the full conversion table and formula.
1 cm = 10 mm
Centimeter to Millimeter Conversion Table
How to Convert Centimeters to Millimeters
To convert centimeters to millimeters, multiply by 10. Since 1 centimeter equals exactly 10 millimeters, this is one of the simplest metric conversions. For example, 7.5 cm × 10 = 75 mm.
Worked Example: Convert 5 cm to mm
Start with the value in centimeters
5 cm
Apply the formula
mm = 5 × 10
Calculate the result
5 cm = 50 mm
Centimeter to Millimeter Examples
1 cm is equal to 10 mm. Using the formula cm × 10, 1 cm converts to 10 mm.
2 cm is equal to 20 mm. Using the formula cm × 10, 2 cm converts to 20 mm.
3 cm is equal to 30 mm. Using the formula cm × 10, 3 cm converts to 30 mm.
5 cm is equal to 50 mm. Using the formula cm × 10, 5 cm converts to 50 mm.
10 cm is equal to 100 mm. Using the formula cm × 10, 10 cm converts to 100 mm.
15 cm is equal to 150 mm. Using the formula cm × 10, 15 cm converts to 150 mm.
20 cm is equal to 200 mm. Using the formula cm × 10, 20 cm converts to 200 mm.
25 cm is equal to 250 mm. Using the formula cm × 10, 25 cm converts to 250 mm.
Converting Millimeters to Centimeters
Need the reverse conversion? Use the table below for a quick reference converting millimeters back to centimeters.
| Millimeters (mm) | Centimeters (cm) |
|---|---|
| 1 | 0.1 |
| 2 | 0.2 |
| 3 | 0.3 |
| 5 | 0.5 |
| 10 | 1 |
| 15 | 1.5 |
Centimeters to Millimeters FAQ
How many mm is 1 cm?
1 centimeter equals exactly 10 millimeters.
When should I use mm vs cm?
Millimeters are used for high-precision measurements like engineering tolerances, jewelry, and medical devices. Centimeters are common for everyday measurements like body height and clothing sizes.
Understanding Centimeters and Millimeters
What is a Centimeter (cm)?
The centimeter (cm) is a unit of length in the metric system. It is commonly abbreviated as cm and relates to millimeters by a factor of 10.
What is a Millimeter (mm)?
The millimeter (mm) is a unit of length in the metric system. It is commonly abbreviated as mm and relates to centimeters by a factor of 0.1.