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

¿What is the inverse calculation between 1 knot and 680 feet per minute?

Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.1489244 times 680 feet per minute.

Which is the same to say that 680 feet per minute is 6.7148164 knots.

Six hundred eighty feet per minute equals to six knots. *Approximation

A knot is zero times six hundred eighty feet per minute. *Approximation