Conversion formula

The conversion factor from millimeters to centimeters is 0.1, which means that 1 millimeter is equal to 0.1 centimeters:

1 mm = 0.1 cm

To convert 120 millimeters into centimeters we have to multiply 120 by the conversion factor in order to get the length amount from millimeters to centimeters. We can also form a simple proportion to calculate the result:

1 mm → 0.1 cm

120 mm → L_(cm)

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

L_(cm) = 120 mm × 0.1 cm

L_(cm) = 12 cm

The final result is:

120 mm → 12 cm

We conclude that 120 millimeters is equivalent to 12 centimeters:

120 millimeters = 12 centimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 centimeter is equal to 0.083333333333333 × 120 millimeters.

Another way is saying that 120 millimeters is equal to 1 ÷ 0.083333333333333 centimeters.

Approximate result

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

120 mm ≅ 12 cm

An alternative is also that one centimeter is approximately zero point zero eight three times one hundred twenty millimeters.

Conversion table

millimeters to centimeters chart

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