Conversion formula

The conversion factor from kilometers to miles is 0.62137119223733, which means that 1 kilometer is equal to 0.62137119223733 miles:

1 km = 0.62137119223733 mi

To convert 820 kilometers into miles we have to multiply 820 by the conversion factor in order to get the length amount from kilometers to miles. We can also form a simple proportion to calculate the result:

1 km → 0.62137119223733 mi

820 km → L_(mi)

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

L_(mi) = 820 km × 0.62137119223733 mi

L_(mi) = 509.52437763461 mi

The final result is:

820 km → 509.52437763461 mi

We conclude that 820 kilometers is equivalent to 509.52437763461 miles:

820 kilometers = 509.52437763461 miles

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile is equal to 0.0019626146341463 × 820 kilometers.

Another way is saying that 820 kilometers is equal to 1 ÷ 0.0019626146341463 miles.

Approximate result

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

820 km ≅ 509.524 mi

An alternative is also that one mile is approximately zero point zero zero two times eight hundred twenty kilometers.

Conversion table

kilometers to miles chart

For quick reference purposes, below is the conversion table you can use to convert from kilometers to miles