Längeneinheiten
1km = 1000 m, 1m = 10 dm =100 cm = 1000 mm, 1cm =10 mm
Flächeneinheiten
1km2 = 1000000 m2, 1m2 = 100 dm2 =10000 cm2 = 1000000 mm2, 1ha = 100 a
Raumeinheiten
1km3 = 1000000000 m3, 1m3 = 1000 dm3 =1000000 cm3 = 1000000000 mm3
,Gewichte
1 kg = 1000g, 1g = 1000 mg, 1 t = 1000 kg
Liter
1 hl = 100 l, 1dm3 = 1l