50,000 meters are 50 kilometers.
50,000 m
1000m = 1km 100m = 0.1km 50m = 0.05km
500 m1 meter = 100 centimeters 1 centimeter = 0.01 meter
You don't convert between meters, square meters, and cubic meters. Each of them is incompatible with the others.
By definition 1meter =100cm, so 50cm is 1/2m