Conversions
To convert basis weight of a given standard size of paper to grams per square meter, multiply its basis weight by 1406.5 and divide the results by the square area of its basic size.
| Rounding Rules |
|
Sheet Size |
Ream Weight |
| 864 inches2 or larger |
Ream Weight calculated to nearest pound.
(166 lbs.) |
| 336 inches2 to 864 inches2 |
Ream Weight calculated to nearest half pound.
(166.5 lbs.) |
| Less than 336 inches2 |
Ream Weight calculated to nearest one hundredth of a pound. (166.55 lbs.) |
|
Bond |
17 x 22 = 374 square inches |
|
Book & Offset |
25 x 38 = 950 square inches |
|
Tag |
24 x 36 = 864 square inches |
|
Index |
25.5 x 30.5 = 778 square inches |
|
Vellum Bristol |
22.5 x 30.5 = 686 square inches |
|
Coated Cover 1S/C2S |
24 x 36 = 864 square inches |
|
Coated Cover C2S |
20 x 26 = 520 square inches |
|
C1S Label |
25 x 38 = 950 square inches |
|
Opaque Cover |
20 x 26 = 520 square inches |
| Formula |
| Basis Weight x 1406.5 |
 |
| Basic Size | |
| Example |
|
Convert 17 x 22, 28 lb. Bond/Writing paper to grams per square meter. |
| 28 x 1406.5 |
|
| 374 | |
TO OUR VISITORS: The results of the Interactive Calculations System are estimates and are not guaranteed by International Paper. |
|
