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 318 miles into kilometers we have to multiply 318 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

318 mi → L_(km)

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

L_(km) = 318 mi × 1.609344 km

L_(km) = 511.771392 km

The final result is:

318 mi → 511.771392 km

We conclude that 318 miles is equivalent to 511.771392 kilometers:

318 miles = 511.771392 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.0019539974598658 × 318 miles.

Another way is saying that 318 miles is equal to 1 ÷ 0.0019539974598658 kilometers.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three hundred eighteen miles is approximately five hundred eleven point seven seven one kilometers:

318 mi ≅ 511.771 km

An alternative is also that one kilometer is approximately zero point zero zero two times three hundred eighteen 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