With this information, you can calculate the quantity of feet per second 31 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 31 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.019112381 times 31 knots.

Which is the same to say that 31 knots is 52.322106 feet per second.

Thirty-one knots equals to fifty-two feet per second. *Approximation

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