With this information, you can calculate the quantity of meters per second 691 knots is equal to.

¿What is the inverse calculation between 1 meter per second and 691 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 meter per second is 0.002813089 times 691 knots.

Which is the same to say that 691 knots is 355.48111 meters per second.

Six hundred ninety-one knots equals to three hundred fifty-five meters per second. *Approximation

A meter per second is zero times six hundred ninety-one knots. *Approximation