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 429 miles into kilometers we have to multiply 429 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

429 mi → L_(km)

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

L_(km) = 429 mi × 1.609344 km

L_(km) = 690.408576 km

The final result is:

429 mi → 690.408576 km

We conclude that 429 miles is equivalent to 690.408576 kilometers:

429 miles = 690.408576 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.0014484176975229 × 429 miles.

Another way is saying that 429 miles is equal to 1 ÷ 0.0014484176975229 kilometers.

Approximate result

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

429 mi ≅ 690.409 km

An alternative is also that one kilometer is approximately zero point zero zero one times four hundred twenty-nine 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