With this information, you can calculate the quantity of feet per second 54 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 54 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.010971922 times 54 knots.

Which is the same to say that 54 knots is 91.141732 feet per second.

Fifty-four knots equals to ninety-one feet per second. *Approximation

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