With this information, you can calculate the quantity of feet per minute 664 knots is equal to.

¿What is the inverse calculation between 1 foot per minute and 664 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 1.4871581e-05 times 664 knots.

Which is the same to say that 664 knots is 67242.345 feet per minute.

Six hundred sixty-four knots equals to sixty-seven thousand two hundred forty-two feet per minute. *Approximation

A foot per minute is one times six hundred sixty-four knots. *Approximation