With this information, you can calculate the quantity of feet per minute 398 knots is equal to.

¿What is the inverse calculation between 1 foot per minute and 398 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 2.4810879e-05 times 398 knots.

Which is the same to say that 398 knots is 40304.899 feet per minute.

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

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