Conversion formula

The conversion factor from miles to kilometers is 1.609344, which means that 1 mile is equal to 1.609344 kilometers:

1 mi = 1.609344 km

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

1 mi → 1.609344 km

1242 mi → L_(km)

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

L_(km) = 1242 mi × 1.609344 km

L_(km) = 1998.805248 km

The final result is:

1242 mi → 1998.805248 km

We conclude that 1242 miles is equivalent to 1998.805248 kilometers:

1242 miles = 1998.805248 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.0005002988665357 × 1242 miles.

Another way is saying that 1242 miles is equal to 1 ÷ 0.0005002988665357 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 forty-two miles is approximately one thousand nine hundred ninety-eight point eight zero five kilometers:

1242 mi ≅ 1998.805 km

An alternative is also that one kilometer is approximately zero point zero zero one times one thousand two hundred forty-two miles.

Conversion table

miles to kilometers chart

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