The grammage is calculated from the ratio of the mass to the area after conversion to metric units when necessary. Most paper is bought and sold in accordance with its mass per unit area, and therefore the grammage has great significance both to the consumer and the producer in defining price.

What is grammage in packaging?

Grammage and basis weight, in the pulp and paper industry, are the area density of a paper product, that is, its mass per unit of area. … Two ways of expressing grammage are commonly used: Expressed in grams (g) per square meter (g/m2), regardless of its thickness (caliper).

What is the meaning of grammage?

/ (ˈɡræmɪdʒ) / noun. the weight of paper expressed as grams per square metre.