With this information, you can calculate the quantity of miles per hour 20 knots is equal to.
¿What is the inverse calculation between 1 mile per hour and 20 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.043448812 times 20 knots.
Which is the same to say that 20 knots is 23.015589 miles per hour.
Twenty knots equals to twenty-three miles per hour. *Approximation
A mile per hour is zero times twenty knots. *Approximation