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 80 miles into kilometers we have to multiply 80 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

80 mi → L_(km)

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

L_(km) = 80 mi × 1.609344 km

L_(km) = 128.74752 km

The final result is:

80 mi → 128.74752 km

We conclude that 80 miles is equivalent to 128.74752 kilometers:

80 miles = 128.74752 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.0077671399029667 × 80 miles.

Another way is saying that 80 miles is equal to 1 ÷ 0.0077671399029667 kilometers.

Approximate result

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

80 mi ≅ 128.748 km

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