With this information, you can calculate the quantity of meters per second 688 knots is equal to.

¿What is the inverse calculation between 1 meter per second and 688 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 meter per second is 0.0028253554 times 688 knots.

Which is the same to say that 688 knots is 353.93778 meters per second.

Six hundred eighty-eight knots equals to three hundred fifty-three meters per second. *Approximation

A meter per second is zero times six hundred eighty-eight knots. *Approximation