With this information, you can calculate the quantity of knots 87 miles per hour is equal to.

¿What is the inverse calculation between 1 knot and 87 miles per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.01322735 times 87 miles per hour.

Which is the same to say that 87 miles per hour is 75.600933 knots.

Eighty-seven miles per hour equals to seventy-five knots. *Approximation

A knot is zero times eighty-seven miles per hour. *Approximation