Determine the weight in grams per square meter (gsm) for a ream of paper of a given basic size and grade based on its basis weight in pounds. When filling in the basis weight field, use either a whole number or a decimal fraction.
For a table of select standard paper weights given in both pounds and grams, see our Equivalent Weights & Grammage Conversion Chart.
|Basis Weight to Grammage Calculator|
The numerical results from this calculator are estimates only and are not guaranteed.
Find the weight in grams per square meter (gsm) for a ream of 25″ × 38″ book paper that has a basis weight of 45 lbs.
|=||Grams per square meter (gsm)|
(25 × 38)
|=||67 gsm (66.62 rounded to the nearest whole number)|