With this information, you can calculate the quantity of feet per second 343 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 343 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.001727358 times 343 knots.

Which is the same to say that 343 knots is 578.91878 feet per second.

Three hundred forty-three knots equals to five hundred seventy-eight feet per second. *Approximation

A foot per second is zero times three hundred forty-three knots. *Approximation