CM to MM Converter
Use this free online cm to mm converter tool to convert centimeters to millimeters. This is a simple metric conversion where 1 centimeter equals exactly 10 millimeters. Essential for precise measurements in print design and engineering.
To convert centimeters to millimeters, multiply the cm value by 10. This follows the standard metric system where 1cm = 10mm. The conversion is exact with no rounding required.
Conversion Formula
mm = cm × 10
For example, to convert 2.5cm to millimeters, calculate 2.5 × 10 = 25mm. Similarly, 1cm equals exactly 10mm.
CM to MM Converter Conversion Table
| CM | MM |
|---|---|
| 0.5cm | 5mm |
| 1cm | 10mm |
| 1.5cm | 15mm |
| 2cm | 20mm |
| 2.54cm | 25.4mm |
| 3cm | 30mm |
| 4cm | 40mm |
| 5cm | 50mm |
| 7.5cm | 75mm |
| 10cm | 100mm |
| 12.7cm | 127mm |
| 15cm | 150mm |
| 20cm | 200mm |
| 25.4cm | 254mm |
| 30cm | 300mm |
What is CM?
Centimeters (cm) are an absolute CSS unit representing physical centimeters, commonly used in print design and international contexts. In web contexts, 1cm equals approximately 37.8 pixels. While uncommon for screen design, centimeters are valuable for print stylesheets where physical dimensions matter.
What is MM?
Millimeters (mm) are an absolute CSS unit representing physical millimeters, primarily used for precise print measurements. In web contexts, 1mm equals approximately 3.78 pixels. Millimeters are most useful in print stylesheets and international design contexts where metric precision is required.