With this information, you can calculate the quantity of miles per hour 645 knots is equal to.
¿What is the inverse calculation between 1 mile per hour and 645 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.00134725 times 645 knots.
Which is the same to say that 645 knots is 742.25274 miles per hour.
Six hundred forty-five knots equals to seven hundred forty-two miles per hour. *Approximation
A mile per hour is zero times six hundred forty-five knots. *Approximation