Speed Converter
Convert speed units: km/h, mph, m/s, knots and more. Free online speed converter for travel and science.
Everything runs in your browser. Your input is not sent to a server.
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How to use the Speed Converter
- Enter a speed value.
- Choose the original unit and the target unit.
- View the converted speed.
- Try other combinations as needed.
How it works
Speed factors convert between meters per second, kilometers per hour, miles per hour, knots and any other units listed on the page.
Helpful for driving, aviation, running pace and physics problems.
Examples
- 100 km/h ≈ 62.14 mph.
- 10 m/s = 36 km/h.
- 1 knot ≈ 1.852 km/h.
Speed Converter FAQ
Which mph is used?
Statute miles per hour as labeled on the form.
Is the Speed Converter free?
Yes.
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