With this information, you can calculate the quantity of miles per hour 422 knots is equal to.

¿What is the inverse calculation between 1 mile per hour and 422 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.0020591854 times 422 knots.

Which is the same to say that 422 knots is 485.62893 miles per hour.

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

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