With this information, you can calculate the quantity of feet per second 8 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 8 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.074060475 times 8 knots.

Which is the same to say that 8 knots is 13.502479 feet per second.

Eight knots equals to thirteen feet per second. *Approximation

A foot per second is zero times eight knots. *Approximation