You may use this weight conversion chart if you are converting grams (gr) to
milligrams (mg) for the values listed in the table below.
Gram and milligram are metric weight units. If wondering how many milligrams in a gram, the answer is 1000.
1 Gram = 1000 Milligrams
To convert grams to milligrams for any other values, please go to
Weight Conversions