With this information, you can calculate the quantity of knots 491 kilometers per hour is equal to.

¿What is the inverse calculation between 1 knot and 491 kilometers per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.0037718941 times 491 kilometers per hour.

Which is the same to say that 491 kilometers per hour is 265.11879 knots.

Four hundred ninety-one kilometers per hour equals to two hundred sixty-five knots. *Approximation

A knot is zero times four hundred ninety-one kilometers per hour. *Approximation