With this information, you can calculate the quantity of miles per hour 15 knots is equal to.
¿What is the inverse calculation between 1 mile per hour and 15 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.057931749 times 15 knots.
Which is the same to say that 15 knots is 17.261692 miles per hour.
Fifteen knots equals to seventeen miles per hour. *Approximation
A mile per hour is zero times fifteen knots. *Approximation
