|Ream||500 sheets of paper of any given size.|
|Ream Weight||The weight of 500 sheets of the standard sheet size for the particular grade. (See tables.)|
The weight of 1,000 sheets (two reams) of paper.
|Basis Weight||The weight of a ream, measured in pounds. The Basis Weight (also known as Ream Weight) is the weight of 500 sheets of the standard sheet size for a particular grade. The standard sheet size varies by grade. For example, text weight papers have a standard size of 25 x 38 (950 sq. inches).|
|Basic Size||The standard sheet size from which the basis weight of a given grade is determined. (See tables.)|
|Point||The thickness of a sheet of paper, referenced in a point value. Typically, 3 decimal places are used to indicate thickness in percentage of an inch. For example, .010 is also referenced as 10 point or 10 pt.|