Convert Centimeters (cm) to Millimeters (mm)
Need to switch Centimeters into Millimeters? Use the ratio 10 — that is, 1 cm = 10 mm — to get an accurate result every time.
Formula
1 cm = 10 mm
To convert cm to mm, multiply the value by 10.
Conversion Table
| Centimeters (cm) | Millimeters (mm) |
|---|---|
| 0.01 cm | 0.1 mm |
| 0.1 cm | 1 mm |
| 0.5 cm | 5 mm |
| 1 cm | 10 mm |
| 2 cm | 20 mm |
| 3 cm | 30 mm |
| 5 cm | 50 mm |
| 10 cm | 100 mm |
| 15 cm | 150 mm |
| 20 cm | 200 mm |
| 25 cm | 250 mm |
| 50 cm | 500 mm |
| 100 cm | 1000 mm |
| 250 cm | 2500 mm |
| 500 cm | 5000 mm |
| 1000 cm | 10000 mm |
| 2500 cm | 25000 mm |
| 5000 cm | 50000 mm |
| 10000 cm | 100000 mm |
| 50000 cm | 500000 mm |
Common cm to mm Examples
- 1 cm = 10 mm
- 5 cm = 50 mm
- 10 cm = 100 mm
- 25 cm = 250 mm
- 50 cm = 500 mm
- 100 cm = 1000 mm
- 500 cm = 5000 mm
- 1000 cm = 10000 mm
Frequently Asked Questions
Confirm the input value, the unit direction (cm to mm, not the reverse), and that the formula 1 cm = 10 mm has been applied.
Compare them through the ratio: 1 cm equals 10 mm, which shows directly which unit represents a larger amount of Length.
The shortest route is the formula itself: 1 cm = 10 mm. Memorizing this single line covers every case.
Yes. The same ratio 10 applies to any value, whether it is a fraction or millions of cm.
Different regions and industries developed their own Length standards over time. International trade and science later required conversion tools to bridge them.
Both measure Length, but they belong to different unit systems or scales, which is why a conversion factor is needed between them.