With this information, you can calculate the quantity of knots 820 miles per hour is equal to.
¿What is the inverse calculation between 1 knot and 820 miles per hour?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.0014033896 times 820 miles per hour.
Which is the same to say that 820 miles per hour is 712.56052 knots.
Eight hundred twenty miles per hour equals to seven hundred twelve knots. *Approximation
A knot is zero times eight hundred twenty miles per hour. *Approximation
