Unit Converter › Length › cm → mm
Length · scale · base metre
cm to mm
1 centimetre (cm) = 10 mm. Multiply by 10. One centimetre (cm) is 10 mm.
Convert
scale · base metre
—
| Every unit at once | Value | Unit |
|---|
cm to mm table
| centimetre (cm) | mm | Unit |
|---|---|---|
| 1 cm | 10 | mm |
| 2 cm | 20 | mm |
| 3 cm | 30 | mm |
| 5 cm | 50 | mm |
| 10 cm | 100 | mm |
| 20 cm | 200 | mm |
| 25 cm | 250 | mm |
| 50 cm | 500 | mm |
| 100 cm | 1,000 | mm |
| 500 cm | 5,000 | mm |
| 1,000 cm | 10,000 | mm |
exact by definition
The inch has been exactly 25.4 mm since 1959, which makes the foot, yard and mile exact too.