With this information, you can calculate the quantity of miles per hour 558 knots is equal to.

¿What is the inverse calculation between 1 mile per hour and 558 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.0015573051 times 558 knots.

Which is the same to say that 558 knots is 642.13493 miles per hour.

Five hundred fifty-eight knots equals to six hundred forty-two miles per hour. *Approximation

A mile per hour is zero times five hundred fifty-eight knots. *Approximation