|Paper Type||Basis Size||Ream Basis|
|Ivex Paper||24″ x 36″||3,000 ft²|
|Bond||17″ x 22″||1,299 ft²|
|Book / Offset||25″ x 38″||3,299 ft²|
|Bristol||22.5″ x 28.5″||2,227 ft²|
|Cover||20″ x 26″||1,806 ft²|
|Index||25.5″ x 30.5″||2,701 ft²|
|Tag / Newsprint||24″ x 36″||3,000 ft²|
Metric to Basis Weight
Let’s find the basis weight equivalent for a ream of 120 g/m2 Ivex Crepe paper.
Basis Weight to Metric
Now let’s find the metric equivalent for a ream of 74lb Ivex Crepe paper. Hint: should match up with the example above.
Terms & Definitions Reminder
• Basis Size: The standard sheet size of a particular paper type that is used to determine its basis weight.
• Basis Weight: The weight of 500 sheets (a “ream”) of paper in its basis size, measured in pounds.
• GSM: Stands for grams per square meter (g/m2) and is the one, standard reference measurement for all paper in most countries outside the U.S..
• M-weight: The weight of 1,000 sheets of paper . In other words, 2 reams.
• Ream: 500 sheets of any given type of paper, cut to its basis size.