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

¿What is the inverse calculation between 1 mile per hour and 645 feet per minute?

Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.13643411 times 645 feet per minute.

Which is the same to say that 645 feet per minute is 7.3295455 miles per hour.

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

A mile per hour is zero times six hundred forty-five feet per minute. *Approximation