Paper weight
75 gsm paper
75 gsm paper equals 19.9 lb bond, 50.7 lb text or 27.7 lb cover. Typical uses: office copy paper, book interiors, letters. The everyday weight: 75–80 g/m² is standard office paper and typical book text stock.
19.9 lbbond / writing
50.7 lbtext / book
27.7 lbcover
≈ 94 µmthickness (uncoated)
Equivalent US basis weights
| Grade | Pounds | Basic sheet |
|---|---|---|
| Bond / Writing | 19.9 lb | 17 x 22 in |
| Text / Book / Offset | 50.7 lb | 25 x 38 in |
| Cover | 27.7 lb | 20 x 26 in |
| Index | 41.5 lb | 25.5 x 30.5 in |
| Bristol | 34.2 lb | 22.5 x 28.5 in |
| Newsprint / Tag | 46.1 lb | 24 x 36 in |
Estimated thickness and pages per inch
| Paper type | Caliper | Points (mil) | Pages per inch | Spine for 300 pp |
|---|---|---|---|---|
| Uncoated offset | 94 µm | 3.7 pt | 542 PPI | 0.554 in |
| Bulky book paper | 112 µm | 4.4 pt | 452 PPI | 0.664 in |
| Coated (gloss/silk) | 68 µm | 2.7 pt | 753 PPI | 0.399 in |
Caliper ≈ grammage × bulk. Ask your printer for the measured caliper of the actual stock.
Sheet and ream weights
| Sheet | One sheet | Ream (500 sheets) |
|---|---|---|
| A4 | 4.68 g | 2.34 kg |
| US Letter | 4.52 g | 5 lb |
What it is used for
Office copy paper, book interiors, letters. The everyday weight: 75–80 g/m² is standard office paper and typical book text stock.