Centimeters to millimeters
1 centimeter = 10 mm · 1 millimeter = 0.1 cm
How to convert centimeters to millimeters
To convert centimeters to millimeters, multiply the value by 10.
Formula: mm = cm × 10
Example: 10 cm = 100 mm
Centimeters to millimeters conversion 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 |
| 6 cm | 60 mm |
| 7 cm | 70 mm |
| 8 cm | 80 mm |
| 9 cm | 90 mm |
| 10 cm | 100 mm |
| 15 cm | 150 mm |
| 20 cm | 200 mm |
| 25 cm | 250 mm |
| 30 cm | 300 mm |
| 40 cm | 400 mm |
| 50 cm | 500 mm |
| 75 cm | 750 mm |
| 100 cm | 1,000 mm |
| 250 cm | 2,500 mm |
| 500 cm | 5,000 mm |
| 1,000 cm | 10,000 mm |
About these units
Centimeter (cm)
A centimeter (cm) is one hundredth of a meter. It is the usual unit for body height, clothing sizes and small objects outside the US.
Millimeter (mm)
A millimeter (mm) is one thousandth of a meter. Engineering drawings, construction, rainfall and screw or tire sizes use millimeters.
Frequently asked questions
How many millimeters are in 1 centimeter?
1 cm = 10 mm
How many centimeters are in 1 millimeter?
1 mm = 0.1 cm
What is 30 cm in mm?
30 cm = 300 mm (30 × 10)
What is 170 cm in mm?
170 cm = 1,700 mm (170 × 10)