With this information, you can calculate the quantity of feet per second 615 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 615 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00096338829 times 615 knots.

Which is the same to say that 615 knots is 1038.0031 feet per second.

Six hundred fifteen knots equals to one thousand thirty-eight feet per second. *Approximation

A foot per second is zero times six hundred fifteen knots. *Approximation