Speed Converter
Convert driving, travel, aviation, and science speed units quickly.
Speed Converter
Speed values are converted in your browser and are not stored.
Result
Enter values to see the result.
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How it works
Enter a speed value and convert between km/h, mph, m/s, knots, and ft/s.
This speed converter uses meters per second as the shared base unit. It is useful for driving speeds, travel planning, running pace checks, science problems, and maritime or aviation values.
Examples
Driving example
100 km/h is about 62.1371 mph.
Science example
10 m/s equals 36 km/h.
FAQ
How many mph is 100 km/h?
100 km/h is about 62.1371 mph.
What is a knot?
A knot is a speed unit commonly used in navigation and equals one nautical mile per hour.
Are speed values stored?
No. Speed values are converted in the browser and are not stored.