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 842 millimeters into centimeters we have to multiply 842 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

842 mm → L_(cm)

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

L_(cm) = 842 mm × 0.1 cm

L_(cm) = 84.2 cm

The final result is:

842 mm → 84.2 cm

We conclude that 842 millimeters is equivalent to 84.2 centimeters:

842 millimeters = 84.2 centimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 centimeter is equal to 0.01187648456057 × 842 millimeters.

Another way is saying that 842 millimeters is equal to 1 ÷ 0.01187648456057 centimeters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eight hundred forty-two millimeters is approximately eighty-four point two centimeters:

842 mm ≅ 84.2 cm

An alternative is also that one centimeter is approximately zero point zero one two times eight hundred forty-two 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