1, length unit conversion:

1 km equals 1000 m, 1 m equals 10 DM, 1 DM equals 10 cm, 1 m equals 100 cm,/kloc.

2, area unit conversion:

1 square kilometer equals 100 hectare, 1 hectare equals 1000 square meter, 1 square meter equals 100 square decimeter, 1 square decimeter equals 100.

3. Volume conversion unit:

1 m3 equals 1000 m3, 1 m3 equals 1000 cm3, 1 m3 equals 1 liter, 1 cm3 equals 1.