Speed Converter

Convert between all common speed units (mph, km/h, meters/second, knots, etc.).

Home Speed Converter
The Speed Converter instantly transforms values between all common speed measurements, such as miles per hour (mph), kilometers per hour (km/h), meters per second, and knots. Perfect for automotive, travel, and science applications. Convert speed units now!
Enter a positive number (max: 999,999,999)

Result

1 =

  1. 1 Enter Value: Input the numeric speed (e.g., 60).
  2. 2 Select Units: Choose the Input Unit (e.g., MPH - Miles Per Hour) and the Output Unit (e.g., KM/H - Kilometers Per Hour).
  3. 3 Convert: Click "Convert Speed". The tool instantly provides the equivalent speed across common units.

What are the common speed units for travel?

Miles Per Hour (MPH) is standard in the US and UK. Kilometers Per Hour (KM/H) is the global standard. Knots are used for maritime and aviation travel.

What is a knot?

A knot is a unit of speed equal to one nautical mile per hour (approximately 1.15 miles per hour or 1.85 kilometers per hour), primarily used in navigation.

What is the metric speed standard?

The SI (International System of Units) standard for velocity is meters per second (m/s), though km/h is more common for automotive use.

Automotive/Travel

Example Keyword: convert mph to kmh
Quickly translate speeds when driving in a country that uses the metric system on its roadways.

Maritime/Aviation

Example Keyword: convert knots to mph
Calculate flight or sea speeds in a familiar unit for planning and reporting.

Science/Physics

Example Keyword: convert speed to meters per second
Convert real-world speed units into the fundamental SI units required for physics calculations.

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