Speed Converter
Convert speed between mph, km/h, m/s, ft/s, and knots.
About this tool
What is Speed Converter?
Convert common speed units including miles per hour, kilometers per hour, meters per second, feet per second, and knots. All calculations run directly in your browser.
How to use
Get your result in a few steps
- 1
Enter a speed value.
- 2
Choose the source unit.
- 3
Choose the target unit.
- 4
Click 'Convert'.
Frequently asked questions
Questions about Speed Converter
Can I convert mph to km/h?
Yes. Miles per hour and kilometers per hour are both supported.
Are knots supported?
Yes. Knots are included as a supported speed unit.
Does the conversion run locally?
Yes. No external API is required.
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