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📄 Paper Size Guide

ISO, North American, JIS and photo paper sizes

A4
210 × 297 mm
Width × Height
Custom Size Matcher

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Free online paper size reference tool. Covers ISO A/B/C series, North American standards (Letter, Legal), JIS B series, Chinese traditional sizes, and photo sizes. Supports mm, inch, and pixel (custom DPI) display. Includes visual size comparison, print area calculator, custom size matcher, and categorized reference tables. Perfect for designers, print layout, and office document formatting.