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

¿What is the inverse calculation between 1 mile per hour and 87 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.0099882327 times 87 knots.

Which is the same to say that 87 knots is 100.11781 miles per hour.

Eighty-seven knots equals to one hundred miles per hour. *Approximation

A mile per hour is zero times eighty-seven knots. *Approximation