620 feet per second in kilometers per hour

Result

The conversion result is: 620 feet per second is equivalent to 680.3136 kilometers per hour.^[1]

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer per hour is equal to 0.0014699103472281 times 620 feet per second.

It can also be expressed as: 620 feet per second is equal to 1 / 0.0014699103472281 kilometers per hour.

Approximation

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