With this information, you can calculate the quantity of miles per hour 429 knots is equal to.

¿What is the inverse calculation between 1 mile per hour and 429 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.0020255856 times 429 knots.

Which is the same to say that 429 knots is 493.68438 miles per hour.

Four hundred twenty-nine knots equals to four hundred ninety-three miles per hour. *Approximation

A mile per hour is zero times four hundred twenty-nine knots. *Approximation