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Convert Millimeter to Centimeter (mm to cm)

In next fields, kindly type your value in the text box under title [ From: ] to convert from millimeter to centimeter (mm to cm). As you type your value, the answer will be automatically calculated and displayed in the text box under title [ To: ].


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Definitions:

Millimeter (abbreviation: mm): is a unit of length in the SI metric system, equal to one thousandth of a metre. Therefore, there are thousand millimetres in a metre and ten millimetres in a centimetre.

Centimeter (abbreviation: cm): is a unit of length in the SI metric system, equal to one hundredth of a metre, centi being the prefix for a factor of 1/100. The centimetre was the base unit of length in the now deprecated centimetre–gram–second (CGS) system of units.

How to Convert Millimeters to Centimeters

Example: How many centimeters are equivalent to 1.98 millimeters?


As;


1 millimeters = 0.1 centimeters


1.98 millimeters = Y centimeters


Assuming Y is the answer, and by criss-cross principle;


Y equals 1.98 times 0.1 over 1


(i.e.) Y = 1.98 * 0.1 / 1 = 0.198 centimeters


Answer is: 0.198 centimeters are equivalent to 1.98 millimeters.


Practice Question: Convert the following units into cm:


N.B.: After working out the answer to each of the next questions, click adjacent button to see the correct answer.


( i ) 77.34 mm


( ii ) 83.12 mm


( iii ) 99.31 mm


Convert Millimeter to More Length Units

References
  • Wikipedia
  • USMA
  • NIST

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