With this information, you can calculate the quantity of knots 815 feet per minute is equal to.
¿What is the inverse calculation between 1 knot and 815 feet per minute?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.12425594 times 815 feet per minute.
Which is the same to say that 815 feet per minute is 8.047905 knots.
Eight hundred fifteen feet per minute equals to eight knots. *Approximation
A knot is zero times eight hundred fifteen feet per minute. *Approximation
