With this information, you can calculate the quantity of feet per second 628 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 628 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00094344554 times 628 knots.

Which is the same to say that 628 knots is 1059.9446 feet per second.

Six hundred twenty-eight knots equals to one thousand fifty-nine feet per second. *Approximation

A foot per second is zero times six hundred twenty-eight knots. *Approximation