0.3mg is only about 0.0000006614 pound.
180 pounds is about 81,646,627.4 milligrams.
2.5 milligrams is only 0.0000055 pound. (rounded)
It is 0.018 of an ounce .
40mg is about 0.0000882 pound.
212 pounds is about 96,161,583.4 milligrams.
53.2 milligrams = 0.0001173 pounds
There are about 2,267,962 milligrams in five pounds.
2 pounds is 907,184 milligrams
60 pounds = about 27,215,542.5 milligrams.
170 pounds is about 77,110,704 milligrams.
7.8 pounds = 3538020.49 milligrams
2 pound = 907,184.74 milligram