With this information, you can calculate the quantity of knots 138 feet per minute is equal to.
¿What is the inverse calculation between 1 knot and 138 feet per minute?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.73383037 times 138 feet per minute.
Which is the same to say that 138 feet per minute is 1.3627127 knots.
One hundred thirty-eight feet per minute equals to one knots. *Approximation
A knot is zero times one hundred thirty-eight feet per minute. *Approximation
