Printing & Stationery
Paper Weight & GSM Guide
Decipher paper thickness from 80 GSM everyday copy paper up to 350 GSM luxury cardstock. Find the right weight for invitations, resumes, and flyers.
Select Paper Weight (GSM - Grams per Square Meter):
Paper Thickness Specification
80 GSM — Standard Copy Paper
US Equivalent: ~20 lb Text
Tactile Feel & Opacity:
Thin, flexible, slight light transparency.
Best Real-World Uses:
Home inkjet & laser office printers, invoices, draft documents, memos.
Printer Compatibility:
100% universal across all home and commercial printers.
Standard Paper Sizes (US vs International ISO)
Letter (US)8.5" x 11.0"215.9 x 279.4 mm
North America (ANSI)
Legal (US)8.5" x 14.0"215.9 x 355.6 mm
North America (ANSI)
A4 (ISO 216)8.27" x 11.69"210 x 297 mm
Global International Standard (1:√2 aspect ratio)
A3 (ISO 216)11.69" x 16.54"297 x 420 mm
Architectural drawings & spreadsheets