Convert CM to MM / MM to CM

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CM : = MM :
Fill CM or MM to convert each other

This is a metric length converter that can help us to easily convert millimeters(mm) to centimeters(cm) or centimeters to millimeters, eg. 10 mm to cm, 15cm to mm or 4cm in mm.

How to use this mm/cm converter

  • To convert mm to cm, full number into the blank MM
  • To convert cm to mm, fill number into the blank CM
  • Number accept decimal and fraction, eg. 2.3 or 4 1/2

Millimeter(mm) & Centimeter(cm)

  • 1 cm = 10 mm
  • 1 mm = 0.1 cm = 1⁄10 cm

Both centimeters and millimeters are derived from the meter, a measurement of distance used in the metric system. Millimeters and centimeters are separated by one tens place, which means that there are 10 millimeters for every centimeter.

A millimeter (abbreviated as mm and sometimes spelled as millimetre) is a small unit of displacement (length/distance) in the metric system. Millimeters are used to measure very small but visible-scale distances and lengths.

The metric system is based on decimals, there are 10mm in a centimeter and 1000mm in a meter. The base of the Greek-rooted words indicates that they are hundredths (centi) and thousandths (milli) of meters.

How to convert mm to cm

To convert mm to cm, divide the number of mm by 10 to get the number of cm.
Example : 35 mm = 35 ÷ 10 = 3.5 cm

How to convert cm to mm

To convert centimeters to millimeters, multiply by 10 , centimeters x 10 = millimeters.
Example : 40 cm = 40 x 10 = 400 mm

CM/MM conversion table

CM MM
one ten
two twenty
three thirty
four forty
five fifty
six sixty
seven seventy
eight eighty
nine ninety
ten one hundred
CM MM
eleven one hundred ten
twelve one hundred twenty
thirteen one hundred thirty
fourteen one hundred forty
fifteen one hundred fifty
sixteen one hundred sixty
seventeen one hundred seventy
eighteen one hundred eighty
nineteen one hundred ninety
twenty two hundred
CM MM
twenty-one two hundred ten
twenty-two two hundred twenty
twenty-three two hundred thirty
twenty-four two hundred forty
twenty-five two hundred fifty
twenty-six two hundred sixty
twenty-seven two hundred seventy
twenty-eight two hundred eighty
twenty-nine two hundred ninety
thirty three hundred
CM MM
thirty-one three hundred ten
thirty-two three hundred twenty
thirty-three three hundred thirty
thirty-four three hundred forty
thirty-five three hundred fifty
thirty-six three hundred sixty
thirty-seven three hundred seventy
thirty-eight three hundred eighty
thirty-nine three hundred ninety
forty four hundred
CM MM
forty-one four hundred ten
forty-two four hundred twenty
forty-three four hundred thirty
forty-four four hundred forty
forty-five four hundred fifty
forty-six four hundred sixty
forty-seven four hundred seventy
forty-eight four hundred eighty
forty-nine four hundred ninety
fifty five hundred

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