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Speed Converter
Instantly convert between m/s, km/h, mph, knots, and ft/s in real-time.
All Conversions
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About Speed Units
Speed measures the rate at which an object changes its position. Different industries and regions use different units for speed.
📍 Meter per second (m/s)
The SI derived unit of speed and velocity. Commonly used in physics and engineering. Exactly 1 m/s = 3.6 km/h.
🚗 Kilometer per hour (km/h)
The most common unit of speed on road signs and car speedometers globally.
🛣️ Mile per hour (mph)
The standard unit for speed limits in the United States and the United Kingdom.
⛵ Knot (kn)
A unit of speed equal to one nautical mile per hour, widely used in meteorology, maritime, and aviation navigation.
📏 Foot per second (ft/s)
Used mostly in the United States and the UK for certain technical and scientific measurements.