So a 1msq 400gsm board weighs 400 grams. Each group of the grade of paper is assigned a standard size that all weights are referred to. For instance, regular everyday copy paper is most commonly referred to as a "20 lb.

When choosing paper weight, consider how you’ll use the paper. Paper Weight Chart: Paper is confusing. In an effort to help explain paper weights we have compiled the comprehensive table listed below. There are different types, weights (thicknesses), and paper sizes. We can provide samples of different stocks and weights to see what would work best – but in the meantime thought we would share some insiders information about Paper Weight, GSM, and what it all really means.
The manufacturer weighs a ream of 500 sheets of paper in its uncut state […]

This is often abbreviated to just “gsm”. The weight of these 500 sheets determines the paper’s weight. To keep things simple, we at CutCardStock refer to all text weight as paper and all cover weight stock as card stock. Points The weight of paper in countries that use ISO paper sizes is defined by ISO 536 Paper and Board - Determination of Grammage. GSM stands for Grams Per Square Meter, a measurement used to identify the weight of different types of paper and card. For example the common office copy paper Bond* has a standard size of 17” x 22″ and this is the size that is weighed for 500 sheets.

Please note that 80# text weight is a paper weight and 80# Cover weight is a card stock; although they have the same number marking them, they are two completely different papers. text weight." The higher the value of GSM, the heavier card or piece of paper. Paper weight, under ISO 216, is calculated in grams per square meter (g/m2).
The different types of grades are Bond, Book, Text, Cover etc.

Definitions: Basis Weight The basis weight of a paper is the designated fixed weight of 500 sheets, measured in pounds, in that paper's basic sheet size. It is normally measured by how much 500 sheets (or a ream) of paper weighs in its basic unit uncut size, which means before being cut to Letter size or Legal size, the paper is weighed and categorized. Paper weight is an important component to consider when printing. The final part of this article looks at the weight of paper. Heavier media often conveys quality and provides durability.

any object used as a weight to prevent loose papers from being displaced by wind, or otherwise. Two important characteristics are weight and texture. Unfortunately, sorting through the various methods of labeling a paper’s weight is not always straightforward. Definition of paper weight: International: Weight of paper expressed in 'grammage' grams per square meter (gsm or g/m2). Keeping these things in mind, we will list some common weights below. The team here at The Print Group Australia can provide advice on the best paper stock to use for your print job. The chart below details the equivalent weights (in pounds) between paper types, as well as notes in the left margin to show when certain types of paper are most appropriate. M-weight refers to the weight of 1,000 sheets of paper.