Speed Converter

Free online speed converter. Easily convert between miles per hour (MPH), kilometers per hour (KM/H), meters per second (M/S), and more with our accurate and user-friendly tool.

Speed Converter

Convert between different units of measurement

About Speed Conversion

Speed conversion is the process of changing a measurement from one unit of speed to another. The most common units are kilometers per hour (km/h), miles per hour (mph), and meters per second (m/s). This is particularly useful in transportation, sports, and scientific applications.

Common Speed Units

  • Metric: Meters per second (m/s), Kilometers per hour (km/h)
  • Imperial/US: Miles per hour (mph), Feet per second (ft/s)
  • Other: Knots (nautical miles per hour), Mach number

Conversion Formulas

  • 1 mph = 1.60934 km/h
  • 1 km/h = 0.277778 m/s
  • 1 m/s = 3.6 km/h
  • 1 knot = 1.852 km/h
  • 1 ft/s = 0.3048 m/s

Historical Context

Speed measurements have evolved with transportation technology. The mile per hour (mph) became standard in the UK and US with the advent of automobiles, while kilometers per hour (km/h) is used in most other countries. The knot, used in maritime and aviation, has its origins in the practice of measuring ship speed using a knotted rope. The meter per second (m/s) is the SI unit for speed, commonly used in scientific applications.

Common Speed Conversions

  • 1 mph = 1.60934 km/h
  • 1 km/h = 0.277778 m/s
  • 60 mph = 96.5606 km/h
  • 100 km/h = 27.7778 m/s
  • 1 knot = 1.852 km/h

How to Use the Speed Converter

  1. Choose your source and target speed units from the dropdown menus.
  2. Enter the speed value you want to convert in the input field.
  3. See your converted speed value instantly displayed on screen.

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Frequently Asked Questions

How do I perform a quick speed conversion?

Simply enter your value in the input field, select your source and target units from the dropdowns, and our converter will instantly show you the converted value.

Are the speed conversions accurate?

Yes, our converter uses precise mathematical formulas for each conversion to ensure you get accurate results every time. Our calculations are based on internationally recognized standards.

Can I use this speed converter offline?

Our converter is a web-based tool, but you can save our page for offline use in most browsers. For regular offline usage, we recommend installing our progressive web app by clicking "Add to Home Screen" in your browser menu.