Paper weight
35 gsm paper
35 gsm paper equals 9.3 lb bond, 23.6 lb text or 12.9 lb cover. Typical uses: bible / india paper, dictionaries, pharmaceutical inserts. Very thin and opaque for its weight; used where page count is enormous.
9.3 lbbond / writing
23.6 lbtext / book
12.9 lbcover
≈ 44 µmthickness (uncoated)
Equivalent US basis weights
| Grade | Pounds | Basic sheet |
|---|---|---|
| Bond / Writing | 9.3 lb | 17 x 22 in |
| Text / Book / Offset | 23.6 lb | 25 x 38 in |
| Cover | 12.9 lb | 20 x 26 in |
| Index | 19.4 lb | 25.5 x 30.5 in |
| Bristol | 16 lb | 22.5 x 28.5 in |
| Newsprint / Tag | 21.5 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 | 44 µm | 1.7 pt | 1,161 PPI | 0.258 in |
| Bulky book paper | 52 µm | 2.1 pt | 968 PPI | 0.31 in |
| Coated (gloss/silk) | 32 µm | 1.2 pt | 1,613 PPI | 0.186 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 | 2.18 g | 1.09 kg |
| US Letter | 2.11 g | 2.3 lb |
What it is used for
Bible / India paper, dictionaries, pharmaceutical inserts. Very thin and opaque for its weight; used where page count is enormous.