FOLLOW US ON Facebook Twitter

Resources & Tools: Math Tools

 
 
 

Calculate Grammage from Basis Weight







 
 
 

Formula:

Basis Weight x 1406.5

=

GRAMS PER SQUARE METER

Basic Size

 

Example:

Convert 25 x 38, 60 lb. Offset Paper to grams per square meter.

60 x 1406.5

=

88.8 Grams per square meter

25 x 38

 
 
 
Table 1: Basic Sizes
Bond 17 x 22 = 374 Square Inches
Book & Offset 25 x 38 = 950 Square Inches
Tag 25 x 36 = 864 Square Inches
Index 25.5 x 30.5 = 778 Square Inches
Vellum Bristol 22.5 x 30.5 = 641 Square Inches
Coated Cover C2S 24 x 36 = 864 Square Inches
Coated Cover C1S 24 x 36 = 864 Square Inches
Index 25 x 38 = 950 Square Inches
Opaque Cover 20 x 26 = 520 Square Inches