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4 centimeters (cm) = 40 millimeters (mm). To convert 4 cm to mm, multiply the length value by the conversion factor 10.
Number of centimeters × 10 = Value in millimeters
4 cm = 4 × 10 = 40 mm
| Centimeters [cm] | Millimeters [mm] |
| 4 | 40 |
| 5 | 50 |
| 6 | 60 |
| 7 | 70 |
| 8 | 80 |
| 9 | 90 |
| 10 | 100 |
| 11 | 110 |
| 12 | 120 |
| 13 | 130 |
| 14 | 140 |
| 15 | 150 |
| 16 | 160 |
| 17 | 170 |
| 18 | 180 |
| 19 | 190 |
| 20 | 200 |
| 21 | 210 |
| 22 | 220 |
| 23 | 230 |
How many millimeters are there in a centimeter?
There are 10 millimeters in a centimeter.
Which is the bigger unit?
Centimeter is the bigger unit than millimeter.