1 m = 1 ☓ 10-3 km
ตัว 1,800 m → 1,8 km
1 m = 100 cm
1 m = 1,000 mm
1 m = 0.001 km
1 ym = 10-24 m
1 zm = 10-21 m
1 am = 10-18 m
1 fm = 10-15 m
1 pm = 10-12 m
1 nm = 10-9 m
1 µm = 10-6 m
1 mm = 10-3 m
1 cm = 10-2 m
1 dm = 10-1 m
1 dam = 101 m
1 hm = 102 m
1 km = 103 m
1 Mm = 106 m
1 Gm = 109 m
1 Tm = 1012 m
1 Pm = 1015 m
1 Em = 1018 m
1 Zm = 1021 m
1 Ym = 1024 m