428 feet per second in kilometers per hour

Result

The conversion result is: 428 feet per second is equivalent to 469.63584 kilometers per hour.^[1]

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer per hour is equal to 0.00212930938149865 times 428 feet per second.

It can also be expressed as: 428 feet per second is equal to 1 / 0.00212930938149865 kilometers per hour.

Approximation

An approximate numerical result would be: four hundred and twenty-eight feet per second is about four hundred and sixty-nine point six three kilometers per hour, or alternatively, a kilometer per hour is about zero times four hundred and twenty-eight feet per second.