With this information, you can calculate the quantity of knots 685 kilometers per hour is equal to.

¿What is the inverse calculation between 1 knot and 685 kilometers per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.0027036496 times 685 kilometers per hour.

Which is the same to say that 685 kilometers per hour is 369.87041 knots.

Six hundred eighty-five kilometers per hour equals to three hundred sixty-nine knots. *Approximation

A knot is zero times six hundred eighty-five kilometers per hour. *Approximation