400 m is 0.4 km
There are 1000 meters in a kilometer.
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A 400m dash is 0.4km.
400m
600metres.
3 significant figures
There are 5 laps of 400 meters in 2 kilometers. To calculate this, you divide 2000 meters (2 kilometers) by 400 meters (length of one lap). The formula is 2000 meters / 400 meters = 5 laps.