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Unit Converter

Conversion formula

The conversion factor from centimeters to millimeters is 10, which means that 1 centimeter is equal to 10 millimeters:

1 cm = 10 mm

To convert 100 centimeters into millimeters we have to multiply 100 by the conversion factor in order to get the length amount from centimeters to millimeters. We can also form a simple proportion to calculate the result:

1 cm → 10 mm

100 cm → L(mm)

Solve the above proportion to obtain the length L in millimeters:

L(mm) = 100 cm × 10 mm

L(mm) = 1000 mm

The final result is:

100 cm → 1000 mm

We conclude that 100 centimeters is equivalent to 1000 millimeters:

100 centimeters = 1000 millimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 millimeter is equal to 0.001 × 100 centimeters.

Another way is saying that 100 centimeters is equal to 1 ÷ 0.001 millimeters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred centimeters is approximately one thousand millimeters:

100 cm ≅ 1000 mm

An alternative is also that one millimeter is approximately zero point zero zero one times one hundred centimeters.

Conversion table

centimeters to millimeters chart

For quick reference purposes, below is the conversion table you can use to convert from centimeters to millimeters

centimeters (cm) millimeters (mm)
101 centimeters 1010 millimeters
102 centimeters 1020 millimeters
103 centimeters 1030 millimeters
104 centimeters 1040 millimeters
105 centimeters 1050 millimeters
106 centimeters 1060 millimeters
107 centimeters 1070 millimeters
108 centimeters 1080 millimeters
109 centimeters 1090 millimeters
110 centimeters 1100 millimeters