Speed unit converter.
Convert speed values to different units and compare results for each unit.
Input
The example value has been entered. Check it immediately or change the value.
Input is processed in the browser. Refreshing returns a sample value.
Result
Check or change the value using the example value result.
Knot is speed per hour; 1 knot = 1,852 m. Results are displayed up to 12 digits.
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Calculation·conversion criteria
Convert average speed from km/h·m/s·kn.
Input example
1 m/s = 3.6 km/h
36 km/h is 36,000 m÷3,600 sec=10 m/s. Changing the time unit when dividing by distance means converting to length alone does not result in the same speed.
How to use
- Use the provided example value or replace the value and input unit field.
- Click Verify result and check the following result.
- Result can be copied if needed.
Frequently Asked Questions
Do pace and speed increase in the same direction?
No. The higher the speed, the shorter the time to 1km. 12 km/h means 5 minutes per 1km. If the form/km format is needed, use a speed calculator.
Calculation criteria and reference materials
- NIST — SI unit conversion table
Conversion standards for international units and non‑SI units
Verification of calculation criteria: · Calculation·verification principles · Report errors