1 centimeter is equal to 10 millimeters:
1 cm = 10 mm
The distance d in millimeters (mm) is equal to the distance d in centimeters (cm) times 10:
d(mm) = d(cm) × 10
Convert 20 cm to millimeters:
d(mm) = 20cm × 10 = 200mm
| Centimeters (cm) | Millimeters (") |
|---|---|
| 0.01 cm | 0.1 mm |
| 0.1 cm | 1 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 |
| 20 cm | 200 mm |
| 30 cm | 300 mm |
| 40 cm | 400 mm |
| 50 cm | 500 mm |
| 60 cm | 600 mm |
| 70 cm | 700 mm |
| 80 cm | 800 mm |
| 90 cm | 900 mm |
| 100 cm | 1000 mm |