How to convert millimetres to centimetres
cm = mm × 0.1
Example: 5 mm × 0.1 = 0.5 cm
Millimeters to Centimeters table
| Millimeters (mm) | Centimeters (cm) |
|---|---|
| 0.5 mm | 0.05 cm |
| 1 mm | 0.1 cm |
| 2 mm | 0.2 cm |
| 3 mm | 0.3 cm |
| 4 mm | 0.4 cm |
| 5 mm | 0.5 cm |
| 6 mm | 0.6 cm |
| 7 mm | 0.7 cm |
| 8 mm | 0.8 cm |
| 9 mm | 0.9 cm |
| 10 mm | 1 cm |
| 15 mm | 1.5 cm |
| 20 mm | 2 cm |
| 25 mm | 2.5 cm |
| 30 mm | 3 cm |
| 40 mm | 4 cm |
| 50 mm | 5 cm |
| 75 mm | 7.5 cm |
| 100 mm | 10 cm |
| 250 mm | 25 cm |
| 500 mm | 50 cm |
| 1,000 mm | 100 cm |
About these units
Millimeters (mm): A millimetre is one thousandth of a metre (0.001 m), used for precise measurements in engineering, rainfall and screen sizes.
Centimeters (cm): A centimetre is one hundredth of a metre (0.01 m). It is the everyday metric unit for body height, clothing and small objects.
Frequently asked questions
How many centimetres are in 1 millimetre?
1 millimetre (mm) equals 0.1 centimetres (cm).
How do I convert mm to cm?
Multiply the value in millimetres by 0.1. For example, 5 mm × 0.1 = 0.5 cm.
How do I convert centimetres back to millimetres?
Multiply by 10 (or divide by 0.1). 1 cm = 10 mm.
What is a millimetre?
A millimetre is one thousandth of a metre (0.001 m), used for precise measurements in engineering, rainfall and screen sizes.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every length unit at once? Use the Length Converter.