With this information, you can calculate the quantity of feet per second 820 kilometers per hour is equal to.

¿What is the inverse calculation between 1 foot per second and 820 kilometers per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0013381463 times 820 kilometers per hour.

Which is the same to say that 820 kilometers per hour is 747.30242 feet per second.

Eight hundred twenty kilometers per hour equals to seven hundred forty-seven feet per second. *Approximation

A foot per second is zero times eight hundred twenty kilometers per hour. *Approximation