With this information, you can calculate the quantity of miles per hour 690 knots is equal to.
¿What is the inverse calculation between 1 mile per hour and 690 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.0012593859 times 690 knots.
Which is the same to say that 690 knots is 794.03782 miles per hour.
Six hundred ninety knots equals to seven hundred ninety-four miles per hour. *Approximation
A mile per hour is zero times six hundred ninety knots. *Approximation