With this information, you can calculate the quantity of knots 421 feet per minute is equal to.
¿What is the inverse calculation between 1 knot and 421 feet per minute?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.24054297 times 421 feet per minute.
Which is the same to say that 421 feet per minute is 4.1572613 knots.
Four hundred twenty-one feet per minute equals to four knots. *Approximation
A knot is zero times four hundred twenty-one feet per minute. *Approximation
