Paper Size Guide
Complete reference for standard paper sizes: A series (A0-A10), B series, C series, and US sizes. Dimensions in mm, inches, and pixels at various DPI.
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Paper Series
A Series (ISO 216)
| Size | mm | inches | px (300 DPI) | Copy px |
|---|---|---|---|---|
| A0 | 841 x 1189 | 33.11 x 46.81 | 9933 x 14043 | |
| A1 | 594 x 841 | 23.39 x 33.11 | 7016 x 9933 | |
| A2 | 420 x 594 | 16.54 x 23.39 | 4961 x 7016 | |
| A3 | 297 x 420 | 11.69 x 16.54 | 3508 x 4961 | |
| A4 | 210 x 297 | 8.27 x 11.69 | 2480 x 3508 | |
| A5 | 148 x 210 | 5.83 x 8.27 | 1748 x 2480 | |
| A6 | 105 x 148 | 4.13 x 5.83 | 1240 x 1748 | |
| A7 | 74 x 105 | 2.91 x 4.13 | 874 x 1240 | |
| A8 | 52 x 74 | 2.05 x 2.91 | 614 x 874 | |
| A9 | 37 x 52 | 1.46 x 2.05 | 437 x 614 | |
| A10 | 26 x 37 | 1.02 x 1.46 | 307 x 437 |
Click a row to highlight it
Visual Size Comparison
A0
A1
A2
A3
A4
A5
A6
How to Use the Paper Size Guide
- Select a paper series tab (A, B, C, or US).
- Choose a DPI to see pixel dimensions for digital design.
- Click any row to highlight it for easy reading.
- Use the visual comparison to see relative sizes.
Paper Size Standards
The A series (ISO 216) is used worldwide, with A4 being the most common office paper size. The B series provides intermediate sizes. The C series is designed for envelopes to hold A series paper. US sizes like Letter and Legal are primarily used in North America.
Features
- A series (A0-A10), B series, C series, and US sizes
- Dimensions in mm, inches, and pixels
- Adjustable DPI for pixel calculations (72-600)
- Visual size comparison chart
- 100% client-side processing for full privacy
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Disclaimer: This tool is provided as-is for informational and educational purposes only.