With this information, you can calculate the quantity of feet per minute 390 knots is equal to.

¿What is the inverse calculation between 1 foot per minute and 390 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 2.5319821e-05 times 390 knots.

Which is the same to say that 390 knots is 39494.751 feet per minute.

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

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