With this information, you can calculate the quantity of kilometers per hour 40 knots is equal to.

¿What is the inverse calculation between 1 kilometer per hour and 40 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 kilometer per hour is 0.01349892 times 40 knots.

Which is the same to say that 40 knots is 74.08 kilometers per hour.

Forty knots equals to seventy-four kilometers per hour. *Approximation

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