what is gm unit

The gm unit is an abbreviation for gram, which is a unit of measurement of weight and mass in the metric system. The gram is the cgs (centimeter/gram/second) unit of mass, and a force of one dyne (1 dyn), applied to a mass of one gram (1 g), will cause that mass to accelerate at one centimeter per second squared (1 cm/s2) . The gram is equal to one one thousandth of a kilogram in the International System of Units (SI) . Other mass units in the metric system include milligram (mg), microgram (µg), and nanogram (ng), which are all fractions of a gram.