5 meters = 0.005 kilometers
45 kilometers = 45,000 meters
Your question does not make sense. That is like saying, how many miles are equal to five miles? Well obviously, the answer is five miles...
423,000 kilometers is equal to 423,000,000 meters
25 kilometers equal to 25000 meters.
7 kilometers equal 7000 meters.
49 kilometers = 49,000 meters
2700 meters is equal to 2.7 kilometers, as there are 1000 meters in a kilometer.
2584 meters is equal to 2.584 kilometers.
Two kilometers equal 2000 meters.
300 meters is equal to 0.3 kilometers.
7 meters = 0.007 kilometers
24 kilometers = 24,000 meters