With this information, you can calculate the quantity of feet per minute 509 knots is equal to.

¿What is the inverse calculation between 1 foot per minute and 509 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 1.9400255e-05 times 509 knots.

Which is the same to say that 509 knots is 51545.713 feet per minute.

Five hundred nine knots equals to fifty-one thousand five hundred forty-five feet per minute. *Approximation

A foot per minute is one times five hundred nine knots. *Approximation