The abbreviation "GM" or "G" is commonly used to denote which measurement?

The abbreviation "GM" or "G" is widely recognized in the context of measurements as denoting "Gram," which is a unit of mass in the metric system. A gram is defined as one-thousandth of a kilogram and is commonly used in various fields, including cooking, pharmaceuticals, and scientific research, to measure the weight of small quantities of substances accurately.

This makes it essential in contexts where precision is crucial, such as when administering medications or weighing ingredients. In comparison, other options such as gigabytes, games, or gallons do not align with the common definition tied to the abbreviation "GM" or "G." A gigabyte is a unit of digital information, a game refers to a form of entertainment, and a gallon is a larger volume measurement typically used for liquids. Thus, the correct association of "GM" with "Gram" accurately reflects its usage in relevant measurements.