With this information, you can calculate the quantity of feet per second 820 knots is equal to.
¿What is the inverse calculation between 1 foot per second and 820 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00072254122 times 820 knots.
Which is the same to say that 820 knots is 1384.0041 feet per second.
Eight hundred twenty knots equals to one thousand three hundred eighty-four feet per second. *Approximation
A foot per second is zero times eight hundred twenty knots. *Approximation
