Dictionary of Marketing Terms: grammage
grammage
metric system measure of paper weight representing the gram weight of one square meter of paper; expressed as g/m2 or grams per square meter. The cost of paper and its appropriateness for various print products are a function of the weight. In the U.S., the pound system for paper weight is more often used. Forty-pound book paper equals approximately 60 g/m2 paper. The conversion factor at various standard paper sizes is as follows:
| Paper Size | g/m2 to lbs. | lbs. to g/m2 |
| 17 ? 22 | 0.266 | 3.760 |
| 20 ? 26 | 0.370 | 2.704 |
| 24 ? 36 | 0.614 | 1.627 |
| 25 ? 38 | 0.675 | 1.480 |
| 1000 ft2 | 0.205 | 4.831 |
