With this information, you can calculate the quantity of knots 9 kilometers per hour is equal to.
¿What is the inverse calculation between 1 knot and 9 kilometers per hour?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.20577778 times 9 kilometers per hour.
Which is the same to say that 9 kilometers per hour is 4.8596112 knots.
Nine kilometers per hour equals to four knots. *Approximation
A knot is zero times nine kilometers per hour. *Approximation