Paper Size Reference
Complete reference chart for standard paper sizes including ISO A-series, B-series, US Letter, Legal, envelopes, and photo sizes.
| Name | Category | Width (mm) | Height (mm) | Aspect Ratio |
|---|---|---|---|---|
| A0 | ISO A | 841 | 1189 | 0.707 |
| A1 | ISO A | 594 | 841 | 0.706 |
| A2 | ISO A | 420 | 594 | 0.707 |
| A3(common) | ISO A | 297 | 420 | 0.707 |
| A4(common) | ISO A | 210 | 297 | 0.707 |
| A5(common) | ISO A | 148 | 210 | 0.705 |
| A6 | ISO A | 105 | 148 | 0.709 |
| A7 | ISO A | 74 | 105 | 0.705 |
| A8 | ISO A | 52 | 74 | 0.703 |
| B0 | ISO B | 1000 | 1414 | 0.707 |
| B1 | ISO B | 707 | 1000 | 0.707 |
| B2 | ISO B | 500 | 707 | 0.707 |
| B3 | ISO B | 353 | 500 | 0.706 |
| B4 | ISO B | 250 | 353 | 0.708 |
| B5 | ISO B | 176 | 250 | 0.704 |
| Letter(common) | US | 215.9 | 279.4 | 0.773 |
| Legal(common) | US | 215.9 | 355.6 | 0.607 |
| Tabloid / Ledger(common) | US | 279.4 | 431.8 | 0.647 |
| Executive | US | 184.15 | 266.7 | 0.690 |
| Half Letter | US | 139.7 | 215.9 | 0.647 |
| Junior Legal | US | 127 | 203.2 | 0.625 |
| Government Letter | US | 203.2 | 266.7 | 0.762 |
| #10 Envelope(common) | Envelope | 104.8 | 241.3 | 0.434 |
| DL Envelope | Envelope | 110 | 220 | 0.500 |
| C5 Envelope | Envelope | 162 | 229 | 0.707 |
| C4 Envelope | Envelope | 229 | 324 | 0.707 |
| 4x6" Photo(common) | Photo | 101.6 | 152.4 | 0.667 |
| 5x7" Photo | Photo | 127 | 177.8 | 0.714 |
| 8x10" Photo | Photo | 203.2 | 254 | 0.800 |
| 11x14" Photo | Photo | 279.4 | 355.6 | 0.786 |
Visual Size Comparison (not to scale)
How to Use the Paper Size Reference
- Browse all paper sizes or filter by category.
- Switch between mm, inches, or pixels.
- Adjust DPI for pixel dimensions (useful for design work).
- Click any paper size to see detailed dimensions.
Features
- ISO A-series (A0-A8) and B-series (B0-B5)
- US sizes: Letter, Legal, Tabloid, Executive
- Envelope and photo sizes
- Dimensions in mm, inches, and pixels
- Configurable DPI for pixel calculations
- Visual size comparison
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