With this information, you can calculate the quantity of meters per second 421 knots is equal to.

¿What is the inverse calculation between 1 meter per second and 421 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 meter per second is 0.0046172078 times 421 knots.

Which is the same to say that 421 knots is 216.58111 meters per second.

Four hundred twenty-one knots equals to two hundred sixteen meters per second. *Approximation

A meter per second is zero times four hundred twenty-one knots. *Approximation