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 402 miles into kilometers we have to multiply 402 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

402 mi → L_(km)

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

L_(km) = 402 mi × 1.609344 km

L_(km) = 646.956288 km

The final result is:

402 mi → 646.956288 km

We conclude that 402 miles is equivalent to 646.956288 kilometers:

402 miles = 646.956288 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.0015456994831774 × 402 miles.

Another way is saying that 402 miles is equal to 1 ÷ 0.0015456994831774 kilometers.

Approximate result

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

402 mi ≅ 646.956 km

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