A simple and easy-to-use speed/velocity unit converter.
This app is free of charge.
Available speed/velocity unit conversions include:

meter per second (m/s)
meter per minute (m/min)
meter per hour (m/h)
kilometer per second (km/s)
kilometer per minute (km/min)
kilometer per hour (km/h)
foot per second (ft/s)
foot per minute (ft/min)
foot per hour (ft/h)
yard per second (yd/s)
yard per minute (yd/min)
yard per hour (yd/h)
mile per second (mi/s)
mile per minute (mi/min)
mile per hour (mi/h)