Conversion formula

The conversion factor from centimeters to decimeters is 0.1, which means that 1 centimeter is equal to 0.1 decimeters:

1 cm = 0.1 dm

To convert 1980 centimeters into decimeters we have to multiply 1980 by the conversion factor in order to get the length amount from centimeters to decimeters. We can also form a simple proportion to calculate the result:

1 cm → 0.1 dm

1980 cm → L_(dm)

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

L_(dm) = 1980 cm × 0.1 dm

L_(dm) = 198 dm

The final result is:

1980 cm → 198 dm

We conclude that 1980 centimeters is equivalent to 198 decimeters:

1980 centimeters = 198 decimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 decimeter is equal to 0.0050505050505051 × 1980 centimeters.

Another way is saying that 1980 centimeters is equal to 1 ÷ 0.0050505050505051 decimeters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand nine hundred eighty centimeters is approximately one hundred ninety-eight decimeters:

1980 cm ≅ 198 dm

An alternative is also that one decimeter is approximately zero point zero zero five times one thousand nine hundred eighty centimeters.

Conversion table

centimeters to decimeters chart

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