500 kg = 0,5 t (tony) = 50 000 dag = 500 000 g
10 km = 10 000 m = 1 000 000 cm = 10 000 000 mm
1,5 doby = 36 h (godzin) = 864 min (minut) = 51 840 s
1 kg to 0,001 t, 1 kg to 100 dag, 1 kg to 1000 g.
1 km to 1000 m, 1 km to 100 000 cm, 1 km to 1 000 000 mm
1 doba to 24 godziny, 1 doba to 24 ∙ 60 minut, a 1 doba to 24 ∙ 60 ∙ 60 sekund.
