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 266 miles into kilometers we have to multiply 266 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

266 mi → L_(km)

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

L_(km) = 266 mi × 1.609344 km

L_(km) = 428.085504 km

The final result is:

266 mi → 428.085504 km

We conclude that 266 miles is equivalent to 428.085504 kilometers:

266 miles = 428.085504 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.0023359819257043 × 266 miles.

Another way is saying that 266 miles is equal to 1 ÷ 0.0023359819257043 kilometers.

Approximate result

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

266 mi ≅ 428.086 km

An alternative is also that one kilometer is approximately zero point zero zero two times two hundred sixty-six 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