GSM stands for Grams per Square Meter (g/m2). It is the weight of the fabric if you take a sheet of material which is one meter by one meter square and weigh it in grams. It is a bench mark specification to meet production manufacturing requirements.
What is G m measurement?
gm (gram): The abbreviation gm stands for gram, a unit of measurement of weight and mass in the metric system. In weight, a gram is equal to a thousandth of a kilogram. In mass, a gram is equal to a thousandth of a liter (one cubic centimeter) of water at 4 degrees centigrade.
What is G m²?
GSM or g/m2 is a measurement of print media thickness. Short for grams per square metre, the higher the GSM value, the thicker the media.