With this information, you can calculate the quantity of knots 84 miles per hour is equal to.
¿What is the inverse calculation between 1 knot and 84 miles per hour?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.013699755 times 84 miles per hour.
Which is the same to say that 84 miles per hour is 72.994004 knots.
Eighty-four miles per hour equals to seventy-two knots. *Approximation
A knot is zero times eighty-four miles per hour. *Approximation