Paper Weight Converter
Convert GSM to US basis weight for bond, text, cover, and index paper stocks.
Inputs
g/m²
Results
Bond / Writing
31.9 lb
Text / Book81.1 lb
Cover44.4 lb
Index48.8 lb
Approx. Caliper0.18 mils
How to Use This Calculator
- Enter the Paper Weight in GSM (grams per square meter) — the universal metric standard.
- Review the equivalent Bond/Writing weight, Text/Book weight, and Cover weight in US pounds.
- Check the Index weight and approximate Caliper in mils (thousandths of an inch).
- Use the Bond weight to compare copy paper (20 lb bond = 75 gsm) and stationery (24 lb = 90 gsm).
- Specify GSM to printers internationally to avoid confusion between different US lb categories.
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