Centimeters to Millimeters Converter
Convert centimeters (cm) to millimeters (mm), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Convert a length from one unit to another. For inches, feet and yards you also get feet and inches with a tape-measure fraction.
Show the working
- 1 cm = 10 mm
- 1 × 10 = 10 mm
How to convert centimeters to millimeters
1 cm = 10 mm, so multiply by 10 to go from centimeters to millimeters. Going the other way, 1 mm = 0.1 cm.
mm = cm × 10 cm = mm × 0.1
Worked example:
1 cm = 10 mm 5 × 10 = 50 mm
Centimeters to millimeters table
| Centimeters | Millimeters |
|---|---|
| 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 | 1000 mm |
| 250 cm | 2500 mm |
| 500 cm | 5000 mm |
| 1000 cm | 10000 mm |
About the units
- Centimeters (cm)
- Centimeters, a metric unit. Definition: BIPM SI Brochure (SI prefixes).
- Millimeters (mm)
- Millimeters, a metric unit. Definition: BIPM SI Brochure (SI prefixes).