250 m in 30 seconds = 500 m/min = 30,000 m/hr = 30 km/hr
30 kilometers per hour is approximately 18.64 miles per hour
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250,000 Meter = 1000 Millimeter
250 meters=0.25 kilometers
250m
1/4 th of a kilometer is 250m or .25km
250m is 250 metres. It is 250 metres if you go to a store and want to buy a length of cable or rope. It is 250 metres if you are running a distance, or swimming it. 250 metres is a quarter of a kilometre.