21 kilometers per hour in meters per second

Conversion in the opposite direction

The inverse of the conversion factor is that 1 meter per second is equal to 0.171428571428571 times 21 kilometers per hour.

It can also be expressed as: 21 kilometers per hour is equal to $\frac{1}{\mathrm{0.171428571428571}}$ meters per second.

Approximation

An approximate numerical result would be: twenty-one kilometers per hour is about five point eight three meters per second, or alternatively, a meter per second is about zero point one seven times twenty-one kilometers per hour.