Conversion formula

The conversion factor from kilometers to decimeters is 10000, which means that 1 kilometer is equal to 10000 decimeters:

1 km = 10000 dm

To convert 1242 kilometers into decimeters we have to multiply 1242 by the conversion factor in order to get the length amount from kilometers to decimeters. We can also form a simple proportion to calculate the result:

1 km → 10000 dm

1242 km → L_(dm)

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

L_(dm) = 1242 km × 10000 dm

L_(dm) = 12420000 dm

The final result is:

1242 km → 12420000 dm

We conclude that 1242 kilometers is equivalent to 12420000 decimeters:

1242 kilometers = 12420000 decimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 decimeter is equal to 8.0515297906602E-8 × 1242 kilometers.

Another way is saying that 1242 kilometers is equal to 1 ÷ 8.0515297906602E-8 decimeters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand two hundred forty-two kilometers is approximately twelve million four hundred twenty thousand decimeters:

1242 km ≅ 12420000 dm

An alternative is also that one decimeter is approximately zero times one thousand two hundred forty-two kilometers.

Conversion table

kilometers to decimeters chart

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