How Do You Convert Cm to Mm?


Quick Answer

Centimeters and millimeters are both fractional amounts of a metric meter. One centimeter is 1/100 of a meter and 1 millimeter is 1/1,000 of a meter. Therefore, each centimeter is equal to 10 millimeters.

Continue Reading

Full Answer

  1. Calculate length in centimeters

    Measure the length of the object in centimeters using a standard ruler or measuring tape. Record the answer.

  2. Multiply the number of centimeters by 10

    Multiply the number of centimeters by 10. For example, if a board measures 42 centimeters, take 42 and multiply it by 10. The board measures 420 millimeters.

  3. Record the answer in millimeters

    Record the converted amount, such as 420 millimeters.

Learn more about Math Calculators

Related Questions