With this information, you can calculate the quantity of feet per second 642 knots is equal to.
¿What is the inverse calculation between 1 foot per second and 642 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00092287196 times 642 knots.
Which is the same to say that 642 knots is 1083.5739 feet per second.
Six hundred forty-two knots equals to one thousand eighty-three feet per second. *Approximation
A foot per second is zero times six hundred forty-two knots. *Approximation
