This table can be completed by more units , it's only a sample to easily learn how it works.
km | hm | dam | m | dm | cm | mm |
1 | 0 | 0 | 0 | |||
0. | 0 | 0 | 1 | |||
1 | 0 | 0 | ||||
First line : 1 km = 10 hm = 100 dam = 1000 m
Second line : 0.001 km = 0.01 hm = 0.1 dam = 1 m
Third line : 100 mm = 10 cm = 1 dm