Custom Boxes Empire / Connected packaging
Paper basis weight converter (gsm ↔ lb)
Convert between gsm and US text, cover, bond and index pounds.
How it works
gsm = lb × factor: text 1.48, cover 2.708, bond 3.76, index 1.805 (500-sheet basis reams).
Tip
Compare papers in gsm to avoid basis-size confusion.
Questions
Why do 80 lb text and 80 lb cover differ?
Different basis sheet sizes: 80 lb cover is much heavier.
Thickness?
Use the caliper converter; gsm is weight.
Planning estimate only. Confirm sizes, strength and costs with samples and your written quote.
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Check sizing, compare materials and share your requirements. Final specifications and pricing are confirmed by the team.
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