Conversion formula

The conversion factor from decimeters to kilometers is 0.0001, which means that 1 decimeter is equal to 0.0001 kilometers:

1 dm = 0.0001 km

To convert 1238 decimeters into kilometers we have to multiply 1238 by the conversion factor in order to get the length amount from decimeters to kilometers. We can also form a simple proportion to calculate the result:

1 dm → 0.0001 km

1238 dm → L_(km)

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

L_(km) = 1238 dm × 0.0001 km

L_(km) = 0.1238 km

The final result is:

1238 dm → 0.1238 km

We conclude that 1238 decimeters is equivalent to 0.1238 kilometers:

1238 decimeters = 0.1238 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 8.0775444264943 × 1238 decimeters.

Another way is saying that 1238 decimeters is equal to 1 ÷ 8.0775444264943 kilometers.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand two hundred thirty-eight decimeters is approximately zero point one two four kilometers:

1238 dm ≅ 0.124 km

An alternative is also that one kilometer is approximately eight point zero seven eight times one thousand two hundred thirty-eight decimeters.

Conversion table

decimeters to kilometers chart

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