With this information, you can calculate the quantity of feet per second 816 miles per hour is equal to.

¿What is the inverse calculation between 1 foot per second and 816 miles per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0008355615 times 816 miles per hour.

Which is the same to say that 816 miles per hour is 1196.8 feet per second.

Eight hundred sixteen miles per hour equals to one thousand one hundred ninety-six feet per second. *Approximation

A foot per second is zero times eight hundred sixteen miles per hour. *Approximation