Paper weight
300 gsm paper
300 gsm paper equals 79.8 lb bond, 202.7 lb text or 110.9 lb cover. Typical uses: business cards, premium covers, invitations. Firm card that holds its shape; scoring is essential for folding.
79.8 lbbond / writing
202.7 lbtext / book
110.9 lbcover
≈ 375 µmthickness (uncoated)
Equivalent US basis weights
| Grade | Pounds | Basic sheet |
|---|---|---|
| Bond / Writing | 79.8 lb | 17 x 22 in |
| Text / Book / Offset | 202.7 lb | 25 x 38 in |
| Cover | 110.9 lb | 20 x 26 in |
| Index | 165.9 lb | 25.5 x 30.5 in |
| Bristol | 136.8 lb | 22.5 x 28.5 in |
| Newsprint / Tag | 184.3 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 | 375 µm | 14.8 pt | 135 PPI | 2.215 in |
| Bulky book paper | 450 µm | 17.7 pt | 113 PPI | 2.657 in |
| Coated (gloss/silk) | 270 µm | 10.6 pt | 188 PPI | 1.594 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 | 18.71 g | 9.36 kg |
| US Letter | 18.1 g | 19.9 lb |
What it is used for
Business cards, premium covers, invitations. Firm card that holds its shape; scoring is essential for folding.