cm to mm Converter
Convert centimeters to millimeters — or mm back to cm. Type any value and get the result instantly. Click any result to copy it.
mm = cm × 10cm = mm ÷ 10
Centimeters
cm
Millimeters
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Inches
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Feet
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Pixels (96 PPI)
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mm → cm
mm
Centimeters
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cm to mm Conversion Table
| Centimeters | Millimeters |
|---|---|
| 0.1 cm | 1 mm |
| 0.5 cm | 5 mm |
| 1 cm | 10 mm |
| 1.5 cm | 15 mm |
| 2 cm | 20 mm |
| 2.54 cm | 25.4 mm |
| 3 cm | 30 mm |
| 4 cm | 40 mm |
| 5 cm | 50 mm |
| 6 cm | 60 mm |
| 7 cm | 70 mm |
| 8 cm | 80 mm |
| 8.56 cm | 85.6 mm |
| 10 cm | 100 mm |
| 15 cm | 150 mm |
| 20 cm | 200 mm |
| 30 cm | 300 mm |
| 100 cm | 1000 mm |
See cm and mm at actual size
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Frequently Asked Questions
How many mm are in 1 cm?
There are exactly 10 millimeters in 1 centimeter. To convert cm to mm, simply multiply by 10.
How do you convert cm to mm?
Multiply the centimeter value by 10. Formula: mm = cm × 10. For example, 5 cm × 10 = 50 mm. To reverse, divide mm by 10 to get cm.
How many cm is 1 mm?
1 mm = 0.1 cm. To convert mm to cm, divide by 10.
What is 2.54 cm in mm?
2.54 cm = 25.4 mm. This is exactly 1 inch, since 1 inch = 2.54 cm = 25.4 mm.
How many mm is a credit card?
A standard credit card (ISO 7810 ID-1) is 85.6 mm × 54 mm, which is 8.56 cm × 5.4 cm.
Is mm bigger than cm?
No. 1 centimeter = 10 millimeters, so cm is larger. A millimeter is 1/10th of a centimeter.
How many mm is 10 cm?
10 cm = 100 mm. Multiply by 10: 10 × 10 = 100 mm.