Respostas

2014-05-09T20:47:36-03:00
 1 km  - 1000 m 
1 m - 100 cm
logo 1 km - 100000cm
0.03cm -  0,0000003 Km
2014-05-09T20:47:51-03:00
Use este quadro:
km | hm | dam | m | dcm | cm | mm
0, 0 0 0 0 0 0 3