With this information, you can calculate the quantity of feet per minute 420 knots is equal to.

¿What is the inverse calculation between 1 foot per minute and 420 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 2.3511262e-05 times 420 knots.

Which is the same to say that 420 knots is 42532.808 feet per minute.

Four hundred twenty knots equals to forty-two thousand five hundred thirty-two feet per minute. *Approximation

A foot per minute is two times four hundred twenty knots. *Approximation