With this information, you can calculate the quantity of feet per second 404 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 404 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0014665441 times 404 knots.

Which is the same to say that 404 knots is 681.87518 feet per second.

Four hundred four knots equals to six hundred eighty-one feet per second. *Approximation

A foot per second is zero times four hundred four knots. *Approximation