By unit of length and distance and conversion ,we can say that
1 km=10 hm
50 km=500 hm.
1 hectometer is 100 meters or 0.1 km
1 hectometer=0.1 kilometers
2.45 kilometers = 24.5 hectometers
0.465 kilometers = 4.65 hectometers.
50 km is 5 million centimeters.
50 km long
50 cm equals 0.005 hm (hectometer)
50 km
50/10 = 5 hours
time = distance ÷ speed = 50 km ÷ 100 km/h = 1/2 hour = 30 minutes.
1 million km @ 50 km/hour = 1,000,000/50 hours = 20,000 hours = 833.33... days = 2.28 years (and a bit)
A football field