With this information, you can calculate the quantity of knots 20 miles per hour is equal to.
¿What is the inverse calculation between 1 knot and 20 miles per hour?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.057538972 times 20 miles per hour.
Which is the same to say that 20 miles per hour is 17.379525 knots.
Twenty miles per hour equals to seventeen knots. *Approximation
A knot is zero times twenty miles per hour. *Approximation