With this information, you can calculate the quantity of knots 66 miles per hour is equal to.

¿What is the inverse calculation between 1 knot and 66 miles per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.017436052 times 66 miles per hour.

Which is the same to say that 66 miles per hour is 57.352432 knots.

Sixty-six miles per hour equals to fifty-seven knots. *Approximation

A knot is zero times sixty-six miles per hour. *Approximation