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There are 1000 milligrams in one grams. Therefore, 65 grams is equal to 65 x 1000 = 65000 milligrams.
There are 1000 milligrams in one gram. Therefore, 1.3 milligrams is equal to 1.3/1000 = 0.0013 grams.
There are 1000 milligrams in one gram. Therefore, 3.2 grams is equal to 3.2 x 1000 = 3200 milligrams.
There are 1000 milligrams in one gram. Therefore, 3 grams is equal to 3 x 1000 = 3000 milligrams.
There are 1000 milligrams in one gram. Therefore, 2.5 grams is equal to 2.5 x 1000 = 2500 milligrams.
There are 1000 milligrams in one gram. Therefore, 100 milligrams is equal to 100/1000 = 0.1 grams.
There are 1000 milligrams in one gram. Therefore, 1200 grams is equal to 1200 x 1000 = 1200000 milligrams.
There are 1000 milligrams in one gram. Therefore, 90 grams is equal to 90 x 1000 = 90000 milligrams.
1000 milligrams = 1 gram 4300 milligrams = 4300/1000 = 4.3 grams
There are 1000 milligrams in a gram. Therefore, 800 milligrams is equal to 800/1000 = 0.8 grams.
There are 1000 milligrams in a gram. Therefore, 800 milligrams is equal to 800/1000 = 0.8 grams.
There are 1000 milligrams in one gram. Therefore, 12 milligrams is equal to 12/1000 = 0.012 grams.