With this information, you can calculate the quantity of feet per second 638 knots is equal to.
¿What is the inverse calculation between 1 foot per second and 638 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.000928658 times 638 knots.
Which is the same to say that 638 knots is 1076.8227 feet per second.
Six hundred thirty-eight knots equals to one thousand seventy-six feet per second. *Approximation
A foot per second is zero times six hundred thirty-eight knots. *Approximation
