With this information, you can calculate the quantity of feet per second 231 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 231 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0025648649 times 231 knots.

Which is the same to say that 231 knots is 389.88408 feet per second.

Two hundred thirty-one knots equals to three hundred eighty-nine feet per second. *Approximation

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