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 304.5 miles into kilometers we have to multiply 304.5 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

304.5 mi → L_(km)

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

L_(km) = 304.5 mi × 1.609344 km

L_(km) = 490.045248 km

The final result is:

304.5 mi → 490.045248 km

We conclude that 304.5 miles is equivalent to 490.045248 kilometers:

304.5 miles = 490.045248 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.002040627889121 × 304.5 miles.

Another way is saying that 304.5 miles is equal to 1 ÷ 0.002040627889121 kilometers.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three hundred four point five miles is approximately four hundred ninety point zero four five kilometers:

304.5 mi ≅ 490.045 km

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