With this information, you can calculate the quantity of feet per second 251 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 251 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0023604932 times 251 knots.

Which is the same to say that 251 knots is 423.64027 feet per second.

Two hundred fifty-one knots equals to four hundred twenty-three feet per second. *Approximation

A foot per second is zero times two hundred fifty-one knots. *Approximation