Convert Kilometer per Hour to Feet per Second (km/h to Feet per Second)

Kilometer per Hour (km/h) and Feet per Second (Feet per Second) are both units of speed. With the conversion form below, you can effortlessly and accurately convert kilometer per hour to feet per second. This free online calculator tool makes it simple and easy to perform the conversion from km/h unit to the Feet per Second unit.

Speed is the scalar measure of how fast an object moves—the distance covered per unit time. The SI unit is metre per second (m/s). Other common units include kilometres per hour (km/h), used on road signs across most of the world, and miles per hour (mph), used in the United States and United Kingdom. In aviation and maritime contexts, speed is measured in knots (nautical miles per hour). The speed of light in a vacuum, c ≈ 299,792,458 m/s, is the ultimate speed limit in the universe.

A kilometer per hour (km/h, km/hr, kmph, kph, kmh, km h−1) is the standard speed unit for road traffic in most countries worldwide. Car speedometers in metric-adopting nations display kilometers per hour. Weather forecasts report wind speeds in kilometers per hour. International speed limits and traffic regulations use kilometers per hour as the legal standard. The unit is universally recognized and understood across all populations in countries using metric measurement, making it practical for public communication and safety regulations. Learn more about kilometer per hour.

Feet per second (ft/s, ft/sec, foot/sec, feet/sec) measures speed as distance in feet covered in one second. Ballistics, projectile motion calculations, and American sports use feet per second for measuring baseball pitch speeds and football throw velocities. Physics calculations in English-speaking educational institutions and engineering work in countries using imperial units often reference feet per second. The unit remains standard in the American military, law enforcement, and historical technical documentation. Learn more about feet per second.