With this information, you can calculate the quantity of knots 687 feet per minute is equal to.
¿What is the inverse calculation between 1 knot and 687 feet per minute?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.14740697 times 687 feet per minute.
Which is the same to say that 687 feet per minute is 6.7839395 knots.
Six hundred eighty-seven feet per minute equals to six knots. *Approximation
A knot is zero times six hundred eighty-seven feet per minute. *Approximation