With this information, you can calculate the quantity of meters per second 397 knots is equal to.

¿What is the inverse calculation between 1 meter per second and 397 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 meter per second is 0.0048963337 times 397 knots.

Which is the same to say that 397 knots is 204.23444 meters per second.

Three hundred ninety-seven knots equals to two hundred four meters per second. *Approximation

A meter per second is zero times three hundred ninety-seven knots. *Approximation