What is the metric abbreviation for gram?

The metric abbreviation for gram is "g." In the metric system, "g" stands for gram, which is a standard unit of mass used to measure weight. The use of this abbreviation is important in medical and pharmaceutical contexts, where precise dosages and measurements are required.

Other options represent different metric measurements: "mg" stands for milligram, which is one-thousandth of a gram; "kg" stands for kilogram, which is one thousand grams; and "pt" stands for pint, a unit of volume that is not a part of the metric mass measurement system. Therefore, "g" is the accurate and recognized abbreviation for gram.