(1)1km =1km =1000m1m =10 decimeter1decimeter =10 cm/kloc.

(2) 1 m2 = 100 square decimeter 1 square decimeter = 100 square centimeter 1 square centimeter = 100 square millimeter.

(3) 1 m3 = 1000 cubic decimeter 1 cubic decimeter = 1000 cubic centimeter 1 cubic centimeter = 1000 cubic millimeter.

(4)1t =1000 kg1kg =1000 mg =1kg = 2 kg.

(5) 1 hectare = 1 ten thousand square meters 1 mu = 666.666 square meters.

(6) 1 liter = 1 cubic decimeter = 1000 ml 1 ml = 1 cubic centimeter.

(7) 1 yuan = 10 angle 1 angle = 10 point 1 yuan = 100 point.

(8) 1 century = 100 1 year = 1 February (3 1 day): 1 \ 3 \ 5 \ 7 \ 8 \/kloc-