With this information, you can calculate the quantity of miles per hour 438 knots is equal to.
¿What is the inverse calculation between 1 mile per hour and 438 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.001983964 times 438 knots.
Which is the same to say that 438 knots is 504.0414 miles per hour.
Four hundred thirty-eight knots equals to five hundred four miles per hour. *Approximation
A mile per hour is zero times four hundred thirty-eight knots. *Approximation