With this information, you can calculate the quantity of feet per second 857 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 857 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00069134633 times 857 knots.

Which is the same to say that 857 knots is 1446.453 feet per second.

Eight hundred fifty-seven knots equals to one thousand four hundred forty-six feet per second. *Approximation

A foot per second is zero times eight hundred fifty-seven knots. *Approximation