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Speed converter
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About this tool
Convert speeds in m/s, km/h, mph, knots, ft/s, and a fixed-reference Mach value.
Common uses
- Convert speeds in m/s, km/h, mph, knots, ft/s, and a fixed-reference Mach value.
- Enter a nonnegative speed and choose its original unit.
How to use it
- 1.Enter a nonnegative speed and choose its original unit.
- 2.Choose the destination unit and copy the converted speed.
Limits and notes
- Input is capped at 10^12. Mach uses a fixed 340.29 m/s reference, so it does not adjust for temperature, altitude, or the medium.
Frequently asked questions
What does this tool do?
Convert speeds in m/s, km/h, mph, knots, ft/s, and a fixed-reference Mach value.
What should I check before using the result?
Input is capped at 10^12. Mach uses a fixed 340.29 m/s reference, so it does not adjust for temperature, altitude, or the medium.