With this information, you can calculate the quantity of knots 423 miles per hour is equal to.

¿What is the inverse calculation between 1 knot and 423 miles per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.0027205188 times 423 miles per hour.

Which is the same to say that 423 miles per hour is 367.57695 knots.

Four hundred twenty-three miles per hour equals to three hundred sixty-seven knots. *Approximation

A knot is zero times four hundred twenty-three miles per hour. *Approximation