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

¿What is the inverse calculation between 1 meter per second and 18 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 meter per second is 0.10799136 times 18 knots.

Which is the same to say that 18 knots is 9.26 meters per second.

Eighteen knots equals to nine meters per second. *Approximation

A meter per second is zero times eighteen knots. *Approximation