All Convert
81 millimeters (mm) = 8.1 centimeters (cm). To convert 81 mm to cm, divide the length value by the conversion factor 10.
Number of millimeters ÷ 10 = Value in centimeters
81 mm = 81 ÷ 10 = 8.1 cm
| Millimeters [mm] | Centimeters [cm] |
| 81 | 8.1 |
| 82 | 8.2 |
| 83 | 8.3 |
| 84 | 8.4 |
| 85 | 8.5 |
| 86 | 8.6 |
| 87 | 8.7 |
| 88 | 8.8 |
| 89 | 8.9 |
| 90 | 9 |
| 91 | 9.1 |
| 92 | 9.2 |
| 93 | 9.3 |
| 94 | 9.4 |
| 95 | 9.5 |
| 96 | 9.6 |
| 97 | 9.7 |
| 98 | 9.8 |
| 99 | 9.9 |
| 100 | 10 |
How many centimeters are there in a millimeter?
There are 0.1 centimeters in a millimeter.
Which is the bigger unit?
Centimeter is the bigger unit than millimeter.