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Instant result
The result updates based on the values you enter.
Online Calculator
Speed calculator
Enter a distance and time to calculate the average speed immediately.
Average speed
50 km/h
Equivalent
13.888889 m/s
Information
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Local processing
The calculations are done in your browser without sending the data to a server.
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Free
No registration, subscription, or paid API required.
Frequently asked questions
How is the average speed calculated?
Divide the distance traveled by the time taken.
What units does it use?
The calculator uses kilometers and hours and also shows the equivalent in meters per second.
Can I use decimals?
Yes. You can enter decimal values.
What if the time is zero?
Speed is not calculated because division by zero is undefined.