Speed Converter

Instantly convert between mph, km/h, m/s, knots and other speed units

Input

Output

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Results update automatically as you type or change units

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About Speed Converter

Zeta Calculator's Speed Converter is a powerful tool designed to help you convert between different speed and velocity units quickly and accurately. Whether you're converting mph to km/h, m/s to knots, or any other combination, our tool provides instant results.

Supported Units

  • Meters per second (m/s): The SI unit of speed, equal to exactly 1 meter of distance traveled per second
  • Kilometers per hour (km/h): Speed measured as kilometers traveled per hour, commonly used for vehicle speeds in most countries
  • Miles per hour (mph): Speed measured as miles traveled per hour, used for vehicle speeds in the US, UK, and some other countries
  • Feet per second (ft/s): Speed measured as feet traveled per second, used in some engineering applications
  • Knots (kn): One nautical mile per hour, used in maritime and air navigation
  • Mach: The ratio of the speed of an object to the speed of sound in the surrounding medium, used in aviation and aeronautics

How to Use

  1. Enter the speed value in the input field
  2. Select the source unit (what you're converting from)
  3. Select the target unit (what you're converting to)
  4. Results will update automatically as you type or change units
  5. Use "Swap Units" to quickly reverse the conversion
  6. Use "Clear" to reset all fields

This converter is especially useful for travel planning, engineering calculations, physics problems, and everyday conversions. It helps bridge the gap between different measurement systems used around the world.