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Paper Weight Calculator

Convert paper weight between gsm and lb.

Calculated Output

Bond paper 49

Cover stock 30

Step-by-Step Breakdown

1. Values used:

2. Paper weight = 80 gsm

3. Bond paper = 49

4. Cover stock = 30

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The math behind it

Bond lb ≈ gsm ÷ 1.63; cover lb ≈ gsm ÷ 2.70.

Why two pound values?

Different paper types use different base sheet sizes.