Convert Centimeter (cm) to Millimeter (mm) instantly. Enter any value — result updates live.
Converting Centimeter to Millimeter is a common length conversion. One centimeter (cm) equals 10 millimeter (mm). Centimeters are commonly used for body measurements, clothing sizes, and screen dimensions.
This conversion is commonly needed for travel planning and navigation, construction and home improvement, athletics and sports measurements. Millimeters are used in engineering, manufacturing, and medical contexts where precision matters.
To put centimeter in perspective: a credit card length (8.5 cm). In millimeter, common references include a pencil lead diameter (0.5–0.7 mm).
The centimeter became part of the metric system in the 1790s alongside the meter, as a convenient fraction for everyday measurements.
The millimeter is the base unit for precision engineering — most manufacturing tolerances worldwide are specified in millimeters or fractions of one.
People frequently convert between centimeter and millimeter for:
| Centimeter (cm) | Millimeter (mm) |
|---|---|
| 1 cm | 10 mm |
| 2 cm | 20 mm |
| 5 cm | 50 mm |
| 10 cm | 100 mm |
| 15 cm | 150 mm |
| 20 cm | 200 mm |
| 25 cm | 250 mm |
| 30 cm | 300 mm |
| 50 cm | 500 mm |
| 100 cm | 1,000 mm |
| 200 cm | 2,000 mm |
| 500 cm | 5,000 mm |
| 1000 cm | 10,000 mm |