With this information, you can calculate the quantity of knots 13 miles per hour is equal to.
¿What is the inverse calculation between 1 knot and 13 miles per hour?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.088521496 times 13 miles per hour.
Which is the same to say that 13 miles per hour is 11.296691 knots.
Thirteen miles per hour equals to eleven knots. *Approximation
A knot is zero times thirteen miles per hour. *Approximation