With this information, you can calculate the quantity of kilometers per hour 18 knots is equal to.

¿What is the inverse calculation between 1 kilometer per hour and 18 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 kilometer per hour is 0.0299976 times 18 knots.

Which is the same to say that 18 knots is 33.336 kilometers per hour.

Eighteen knots equals to thirty-three kilometers per hour. *Approximation

A kilometer per hour is zero times eighteen knots. *Approximation