With this information, you can calculate the quantity of feet per minute 400 knots is equal to.

¿What is the inverse calculation between 1 foot per minute and 400 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 2.4686825e-05 times 400 knots.

Which is the same to say that 400 knots is 40507.437 feet per minute.

Four hundred knots equals to forty thousand five hundred seven feet per minute. *Approximation

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