With this information, you can calculate the quantity of knots 15 feet per minute is equal to.
¿What is the inverse calculation between 1 knot and 15 feet per minute?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 6.7512394 times 15 feet per minute.
Which is the same to say that 15 feet per minute is 0.14812095 knots.
Fifteen feet per minute equals to zero knots. *Approximation
A knot is six times fifteen feet per minute. *Approximation
