With this information, you can calculate the quantity of knots 28 feet per minute is equal to.

¿What is the inverse calculation between 1 knot and 28 feet per minute?

Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 3.6167354 times 28 feet per minute.

Which is the same to say that 28 feet per minute is 0.27649244 knots.

Twenty-eight feet per minute equals to zero knots. *Approximation

A knot is three times twenty-eight feet per minute. *Approximation