40 feet per second in kilometers per hour

Result

The conversion result is: 40 feet per second is equivalent to 43.8912 kilometers per hour.^[1]

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer per hour is equal to 0.0227836103820356 times 40 feet per second.

It can also be expressed as: 40 feet per second is equal to 1 / 0.0227836103820356 kilometers per hour.

Approximation

An approximate numerical result would be: forty feet per second is about forty-three point eight nine kilometers per hour, or alternatively, a kilometer per hour is about zero point zero two times forty feet per second.