429 miles in kilometers

Conversion formula
How to convert 429 miles to kilometers?

We know (by definition) that: $1\mathrm{mile}=1.609344\mathrm{km}$

We can set up a proportion to solve for the number of kilometers.

Now, we cross multiply to solve for our unknown $x$:

Conclusion: 429 ⁢ mile = 690.408576 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 0.00144841769752292 times 429 miles.

It can also be expressed as: 429 miles is equal to $\frac{1}{\mathrm{0.00144841769752292}}$ kilometers.

Approximation

An approximate numerical result would be: four hundred and twenty-nine miles is about six hundred and ninety point four zero kilometers, or alternatively, a kilometer is about zero times four hundred and twenty-nine miles.