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Speed Converter

Convert km/h, mph, m/s and knots.

Result—
Enter values above.
Converts between the listed speed units using fixed factors. It does not model acceleration, travel time or changing speed.

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Content reviewed: 24 September 2026

About the Speed Converter

Convert km/h, mph, m/s and knots. Use the controls above to enter the values or text required by this specific tool, then review the result together with the method and limitations shown on the page.

Method

Convert the source unit to metres per second, then divide by the target unit's factor.

Example

The tool uses fixed standard conversion factors.

Limitations

Converts between the listed speed units using fixed factors. It does not model acceleration, travel time or changing speed.

For information about calculation checks, browser-side processing and external services, see Methodology & Accuracy.