Just divide the meters by 1000.
423,000 kilometers is equal to 423,000,000 meters
2.5 kilometers
7 meters=0.007 kilometers
49 kilometers = 49,000 meters
2700 meters is equal to 2.7 kilometers, as there are 1000 meters in a kilometer.
2,58 kilometers
300 meters is equal to 0.3 kilometers.
2000 metres.
24 kilometers = 24,000 meters
182 kilometers = 182,000 meters
4.8 kilometers = 4,800 meters
7 meters = 0.007 kilometers