With this information, you can calculate the quantity of knots 4 kilometers per hour is equal to.
¿What is the inverse calculation between 1 knot and 4 kilometers per hour?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.463 times 4 kilometers per hour.
Which is the same to say that 4 kilometers per hour is 2.1598272 knots.
Four kilometers per hour equals to two knots. *Approximation
A knot is zero times four kilometers per hour. *Approximation