With this information, you can calculate the quantity of feet per second 811 knots is equal to.
¿What is the inverse calculation between 1 foot per second and 811 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00073055956 times 811 knots.
Which is the same to say that 811 knots is 1368.8138 feet per second.
Eight hundred eleven knots equals to one thousand three hundred sixty-eight feet per second. *Approximation
A foot per second is zero times eight hundred eleven knots. *Approximation