Speed Converter
Convert speed between km/h, mph, m/s, knots, ft/s, Mach and other speed units online.
Speed Converter Tool
Convert speed between meters per second, kilometers per hour, miles per hour, knots, feet per second and other common speed units.
Speed Inputs
Formula
Converted value = input value × conversion factor.
| Unit | Symbol | Converted Value |
|---|---|---|
| No conversion table yet. | ||
Conversion Notes
About This Tool
Speed Converter is a free online unit converter that helps you convert speed between metric, imperial, nautical and aviation-related speed units.
You can convert meters per second, kilometers per hour, kilometers per minute, meters per minute, centimeters per second, miles per hour, feet per second, inches per second, knots and approximate Mach. The tool also shows conversion factor, formula, converted result and a full conversion table for all supported speed units.
This tool is useful for travel, driving, running, cycling, aviation, marine navigation, physics, engineering, education and anyone who needs quick speed conversions.
How to Use Speed Converter
1. Enter the speed value you want to convert.
2. Choose the original unit in the From Unit field.
3. Choose the target unit in the To Unit field.
4. Select decimal places if needed.
5. Click Convert.
6. Review the converted result, conversion factor and formula.
7. Use Swap to reverse the conversion.
8. Copy or download the conversion report if needed.
Frequently Asked Questions
Is this Speed Converter free?
Yes. This Speed Converter is free to use and does not require signup.
Which speed units are supported?
The tool supports meter per second, kilometer per hour, kilometer per minute, meter per minute, centimeter per second, mile per hour, foot per second, inch per second, knot and approximate Mach.
Can I convert km/h to mph?
Yes. Enter your value in kilometers per hour, choose Kilometer per Hour as the From Unit and Mile per Hour as the To Unit, then click Convert.
Is Mach conversion exact?
No. Mach conversion is approximate because the speed of sound changes with temperature, altitude and air conditions.
Does this tool upload my conversion data to the server?
No. This converter works directly in your browser using JavaScript. Your conversion values are not uploaded to our server.