How to use it
- Enter distance in meters.
- Enter elapsed time in seconds.
- Calculate m/s, km/h and knots.
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Convert a measured distance and time into average speed units.
Calculate average speed from an observed travel distance and elapsed time.
Average speed equals distance divided by time.
1,000 m over 600 seconds is about 1.667 m/s or 3.24 knots.
A single observation does not represent changing current direction, depth or conditions and is not a navigation input.