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Convert centimeter to millimeter

Here you can quickly calculate how many millimeter fit in one centimeter.
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  • 1 cm = 10 mm
  • 1 mm = 0.1 cm

Example: centimeter to millimeter

  • 1 centimeter = 10 millimeter

Centimeter to millimeter conversion table

centimeter millimeter
1 10
2 20
5 50
10 100
20 200
50 500
100 1000

Centimeter to millimeter formula

To convert centimeter to millimeter, multiply by 10.

1 cm = 10 mm
Example: 1 centimeter = 10 millimeter

Common length conversion mistakes

  • Rounding the inch to 2.5 cm feels harmless, but the exact value is 2.54 cm, a 1.6% error. Over a 100-inch measurement that is already 4 cm off, and the error compounds in chained calculations. Use the exact definition: 1 inch = 2.54 cm, exactly.

Quick centimeter and millimeter conversion quiz

Score: 0

9.6 centimeter equals 96 millimeter.

Correct answer: 9.6 centimeter = 96 millimeter.

14.8 millimeter equals 1.48 centimeter.

Correct answer: 14.8 millimeter = 1.48 centimeter.

156 centimeter equals 1 560 millimeter.

Correct answer: 156 centimeter = 1 560 millimeter.

11.7 centimeter equals 117 millimeter.

Correct answer: 11.7 centimeter = 117 millimeter.

13.6 millimeter equals 1.16 centimeter.

Correct answer: 13.6 millimeter = 1.36 centimeter.

More length conversions