Paper weight
216 gsm paper
216 gsm paper equals 57.5 lb bond, 145.9 lb text or 79.9 lb cover. Typical uses: paperback covers, postcards, greeting cards, folders. Light card: most paperback covers are printed on roughly 220–270 g/m² cover stock.
57.5 lbbond / writing
145.9 lbtext / book
79.9 lbcover
≈ 270 µmthickness (uncoated)
Equivalent US basis weights
| Grade | Pounds | Basic sheet |
|---|---|---|
| Bond / Writing | 57.5 lb | 17 x 22 in |
| Text / Book / Offset | 145.9 lb | 25 x 38 in |
| Cover | 79.9 lb | 20 x 26 in |
| Index | 119.5 lb | 25.5 x 30.5 in |
| Bristol | 98.5 lb | 22.5 x 28.5 in |
| Newsprint / Tag | 132.7 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 | 270 µm | 10.6 pt | 188 PPI | 1.594 in |
| Bulky book paper | 324 µm | 12.8 pt | 157 PPI | 1.913 in |
| Coated (gloss/silk) | 194 µm | 7.7 pt | 261 PPI | 1.148 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 | 13.47 g | 6.74 kg |
| US Letter | 13.03 g | 14.4 lb |
What it is used for
Paperback covers, postcards, greeting cards, folders. Light card: most paperback covers are printed on roughly 220–270 g/m² cover stock.