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 8.1 miles into kilometers we have to multiply 8.1 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

8.1 mi → L_(km)

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

L_(km) = 8.1 mi × 1.609344 km

L_(km) = 13.0356864 km

The final result is:

8.1 mi → 13.0356864 km

We conclude that 8.1 miles is equivalent to 13.0356864 kilometers:

8.1 miles = 13.0356864 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.076712492868807 × 8.1 miles.

Another way is saying that 8.1 miles is equal to 1 ÷ 0.076712492868807 kilometers.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eight point one miles is approximately thirteen point zero three six kilometers:

8.1 mi ≅ 13.036 km

An alternative is also that one kilometer is approximately zero point zero seven seven times eight point 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