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Convert millimeter to centimeter

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

Conversion from millimeter to centimeter example

  • 1 millimeter = 0.1 centimeter

Millimeter to centimeter conversion table

millimeter centimeter
1 0.1
2 0.2
5 0.5
10 1
20 2
50 5
100 10

Formula to convert millimeter to centimeter

To convert millimeter to centimeter, multiply by 0.1.

1 mm = 0.1 cm
Example: 1 millimeter = 0.1 centimeter

Common mistakes in length conversion

  • 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 millimeter to/from centimeter conversion quiz

Score: 0

21.2 millimeter equals 2.12 centimeter.

Correct answer: 21.2 millimeter = 2.12 centimeter.

31 millimeter equals 2.79 centimeter.

Correct answer: 31 millimeter = 3.1 centimeter.

12 millimeter equals 1.02 centimeter.

Correct answer: 12 millimeter = 1.2 centimeter.

143 centimeter equals 1.43e+3 millimeter.

Correct answer: 143 centimeter = 1.43e+3 millimeter.

More conversions in length