Which is larger 12 milligram or 1 gram?

Answer 1

1 mg = (1/1000) g

1 g = 1000 mg

So

12 mg = (12/1000) g

Obviously

1 g = 1000 mg which is much greater than 12 mg

Answer 2

1 gram is larger than 12 milligrams because there are 1000 milligrams in 1 gram.