With this information, you can calculate the quantity of feet per minute 680 knots is equal to.

¿What is the inverse calculation between 1 foot per minute and 680 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 1.4521662e-05 times 680 knots.

Which is the same to say that 680 knots is 68862.642 feet per minute.

Six hundred eighty knots equals to sixty-eight thousand eight hundred sixty-two feet per minute. *Approximation

A foot per minute is one times six hundred eighty knots. *Approximation