With this information, you can calculate the quantity of feet per minute 397 knots is equal to.

¿What is the inverse calculation between 1 foot per minute and 397 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 2.4873375e-05 times 397 knots.

Which is the same to say that 397 knots is 40203.631 feet per minute.

Three hundred ninety-seven knots equals to forty thousand two hundred three feet per minute. *Approximation

A foot per minute is two times three hundred ninety-seven knots. *Approximation