Speed Converter
Convert speeds between various units like miles/hour, kilometers/hour, meters/second, feet/second, and knots.
Advanced Speed Converter
Our Speed Converter is a comprehensive tool for converting between various common units of speed, including kilometers per hour (km/h), miles per hour (mph), meters per second (m/s), feet per second (ft/s), and knots (kt).
🏎️ How to Use the Converter
- Enter Speed: Input the numerical value of the speed you wish to convert.
- Select 'From' Unit: Choose the original unit of your input speed from the dropdown list.
- Select 'To' Unit: Choose the target unit you want to convert the speed to.
- Click "Convert": The tool will perform the calculation.
- View Result: The converted speed is displayed, along with a visual breakdown showing the intermediate conversion to meters per second (m/s) and then to the final unit. You can use the swap button (⇄) to quickly interchange the 'From' and 'To' units.
Supported Units
This converter supports the following speed units:
- Metre per second (m/s): The SI derived unit of speed.
- Kilometre per hour (km/h or kph): Commonly used worldwide for road traffic.
- Mile per hour (mph): Used for road traffic in the US, UK, and some other countries.
- Foot per second (ft/s): Sometimes used in physics or engineering contexts.
- Knot (kt): Used in maritime and aviation; one nautical mile per hour.
🔢 Conversion Process & Factors
All conversions are standardized by first converting the input speed to meters per second (m/s), and then from m/s to the target unit. Key approximate conversion factors to m/s are:
- 1 km/h ≈ 0.277778 m/s
- 1 mph ≈ 0.447040 m/s
- 1 ft/s = 0.304800 m/s (exact)
- 1 knot ≈ 0.514444 m/s
The "Visual Calculation" section shows this two-step process.
💡 Frequently Asked Questions (FAQ)
- What is a knot?
- A knot is a unit of speed equal to one nautical mile per hour. It is the standard unit of speed in maritime and aviation contexts because a nautical mile relates directly to the latitude/longitude coordinate system of the Earth.
- Is m/s faster than km/h?
- Yes. One meter per second (m/s) is equal to 3.6 kilometers per hour (km/h). This makes m/s a larger unit of speed.
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