688 kilometers per hour in feet per second

Result

The conversion result is: 688 kilometers per hour is equivalent to 627.004957713619 feet per second.^[1]

Conversion in the opposite direction

The inverse of the conversion factor is that 1 foot per second is equal to 0.00159488372093023 times 688 kilometers per hour.

It can also be expressed as: 688 kilometers per hour is equal to 1 / 0.00159488372093023 feet per second.

Approximation

An approximate numerical result would be: six hundred and eighty-eight kilometers per hour is about six hundred and twenty-seven feet per second, or alternatively, a foot per second is about zero times six hundred and eighty-eight kilometers per hour.