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Exact relationship and formula
10 millimeters = 1 centimeter exactly. Centimeters = millimeters ÷ 10.
Reverse mode applies the inverse relationship from the same definition.
Worked example
25 mm = 2.5 cm; 100 mm = 10 cm.
This page owns only millimeters and centimeters. Existing millimeter-to-inch and centimeter-to-inch converters retain their separate canonical intents.
Common millimeters reference values
| Millimeters | Conversion |
|---|---|
| 1 mm | 0.1 cm |
| 5 mm | 0.5 cm |
| 10 mm | 1 cm |
| 25 mm | 2.5 cm |
| 100 mm | 10 cm |
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