With this information, you can calculate the quantity of feet per minute 645 miles per hour is equal to.

¿What is the inverse calculation between 1 foot per minute and 645 miles per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 1.7618041e-05 times 645 miles per hour.

Which is the same to say that 645 miles per hour is 56760 feet per minute.

Six hundred forty-five miles per hour equals to fifty-six thousand seven hundred sixty feet per minute. *Approximation

A foot per minute is one times six hundred forty-five miles per hour. *Approximation