The metre is smaller, - there are 1,000 metres in a kilometer. The prefix 'kilo' means 'thousand' .
.001
there are 2,500 meters in 2.5 kilometers and 5,000 meters in 5 kilometers.
4 kilometers are 4,000 meters.
6,378 kilometers=6,378,000 meters
21 kilometers=21,000 meters21 kilometers = 21,000 meters
670 meters=0.67 kilometers
7 meters=0.007 kilometers
8 kilometers = 8,000 meters
49 kilometers = 49,000 meters
9250 meters are 9.25 kilometers.
15 meters = 0.015 kilometers
63.5 kilometers = 63,500 meters
73,000 meters = 73 kilometers