521 kilometers per hour in feet per second

Result

The conversion result is: 521 kilometers per hour is equivalent to 474.810440361621 feet per second.^[1]

Conversion in the opposite direction

The inverse of the conversion factor is that 1 foot per second is equal to 0.00210610364683301 times 521 kilometers per hour.

It can also be expressed as: 521 kilometers per hour is equal to 1 / 0.00210610364683301 feet per second.

Approximation

An approximate numerical result would be: five hundred and twenty-one kilometers per hour is about four hundred and seventy-four point eight one feet per second, or alternatively, a foot per second is about zero times five hundred and twenty-one kilometers per hour.