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Paper Opacity Calculator

Calculate paper opacity and show-through rating.

Total weight or mass value.
lb
Enter brightness value.
%
Enter caliper value.
mils

Results

Estimated Opacity:
Calculated estimated opacity value.
-%
Show-Through Risk:
Calculated show-through risk value.
-
Duplex Print Rating:
Calculated duplex print rating value.
-
Reference: SWOP/GRACoL Standards.