Paper Size Converter
Compare and convert between ISO A/B/C series and North American paper sizes with dimensions in mm and inches
paper
size
a4
Quick Paper Size Selection
Common paper sizes for instant conversion
1Configure Paper Size & DPI
Select paper size and DPI for pixel dimension calculation
DPI Quick Reference
Common DPI settings and their uses
72 DPI
Web graphics, screen display, email attachments
96 DPI
Windows standard, web images, digital presentations
150 DPI
Draft printing, newspaper quality, quick prints
300 DPI
Professional printing, magazines, high-quality photos
📐 Paper Size Standards
- • ISO A Series: International standard, each size is half the area of the previous
- • ISO B Series: Intermediate sizes between A series
- • ISO C Series: Envelope sizes designed to fit A series paper
- • US Sizes: Letter, Legal, and Tabloid are North American standards
- • Pixel Calculation: Pixels = (mm ÷ 25.4) × DPI
Complete Guide: Paper Size Converter
Everything you need to know about using Paper Size Converter effectively
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