2.5 milligrams is only 0.0000055 pound. (rounded)
180 pounds is about 81,646,627.4 milligrams.
25mg is about 0.000055 pound.
It is 0.018 of an ounce .
40mg is about 0.0000882 pound.
212 pounds is about 96,161,583.4 milligrams.
25 lbs is 25 pounds.
0.3mg is only about 0.0000006614 pound.
2 pound = 907,184.74 milligram
60 pounds = about 27,215,542.5 milligrams.
7.8 pounds = 3538020.49 milligrams
170 pounds is about 77,110,704 milligrams.
2 pounds is 907,184 milligrams