With this information, you can calculate the quantity of kilometers per hour 521 knots is equal to.

¿What is the inverse calculation between 1 kilometer per hour and 521 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 kilometer per hour is 0.0010363854 times 521 knots.

Which is the same to say that 521 knots is 964.892 kilometers per hour.

Five hundred twenty-one knots equals to nine hundred sixty-four kilometers per hour. *Approximation

A kilometer per hour is zero times five hundred twenty-one knots. *Approximation