With this information, you can calculate the quantity of feet per minute 309 knots is equal to.

¿What is the inverse calculation between 1 foot per minute and 309 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 3.1957055e-05 times 309 knots.

Which is the same to say that 309 knots is 31291.995 feet per minute.

Three hundred nine knots equals to thirty-one thousand two hundred ninety-one feet per minute. *Approximation

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