With this information, you can calculate the quantity of miles per hour 424 knots is equal to.

¿What is the inverse calculation between 1 mile per hour and 424 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.0020494723 times 424 knots.

Which is the same to say that 424 knots is 487.93049 miles per hour.

Four hundred twenty-four knots equals to four hundred eighty-seven miles per hour. *Approximation

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