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 491 miles into kilometers we have to multiply 491 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

491 mi → L_(km)

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

L_(km) = 491 mi × 1.609344 km

L_(km) = 790.187904 km

The final result is:

491 mi → 790.187904 km

We conclude that 491 miles is equivalent to 790.187904 kilometers:

491 miles = 790.187904 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.0012655217764508 × 491 miles.

Another way is saying that 491 miles is equal to 1 ÷ 0.0012655217764508 kilometers.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred ninety-one miles is approximately seven hundred ninety point one eight eight kilometers:

491 mi ≅ 790.188 km

An alternative is also that one kilometer is approximately zero point zero zero one times four hundred ninety-one 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