With this information, you can calculate the quantity of feet per second 998 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 998 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00059367114 times 998 knots.

Which is the same to say that 998 knots is 1684.4342 feet per second.

Nine hundred ninety-eight knots equals to one thousand six hundred eighty-four feet per second. *Approximation

A foot per second is zero times nine hundred ninety-eight knots. *Approximation