1 km = 1,000 m
example) 15 km → 15,000 m
Earth radius is 6,371 km.
1 km = 1000 m
1 km = 100000 cm
1 km = 1000000 mm
1 ym = 10-27 km
1 zm = 10-24 km
1 am = 10-21 km
1 fm = 10-18 km
1 pm = 10-15 km
1 nm = 10-12 km
1 µm = 10-9 km
1 mm = 10-6 km
1 cm = 10-5 km
1 dm = 10-4 km
1 dam = 10-2 km
1 hm = 10-1 km
1 Mm = 103 km
1 Gm = 106 km
1 Tm = 109 km
1 Pm = 1012 km
1 Em = 1015 km
1 Zm = 1018 km
1 Ym = 1021 km