# 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.

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## How to Convert Millimeters to Centimeters

### Example: How many centimeters are equivalent to 18.71 millimeters?

As;

1 millimeters = 0.1 centimeters

18.71 millimeters = Y centimeters

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

Y equals 18.71 times 0.1 over 1

(i.e.) Y = 18.71 * 0.1 / 1 = 1.871 centimeters

Answer is: 1.871 centimeters are equivalent to 18.71 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 ) 68.9 mm

( ii ) 84.59 mm

( iii ) 56.94 mm

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