With this information, you can calculate the quantity of feet per second 658 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 658 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00090043131 times 658 knots.

Which is the same to say that 658 knots is 1110.5789 feet per second.

Six hundred fifty-eight knots equals to one thousand one hundred ten feet per second. *Approximation

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