Bonsoir,
1 kg = 1 000g
0,068 kg = 68 g
463,2 g =0,4632 kg
2,8 cg = 28mg
13,8 dag = 138g
Volume :
1m3 = 1 000L
25 mL = 25 cm3
1,5 L = 1,5dm3
45 mL = 0,045L
30 cm3 =0,03dm3
13,6 g/mL =13,6 g/cm3
5 600 g/dm3 =5 600 g/L
2,7 kg/L = 2 700g/L
1 020 g/L =1,02 kg/L