F4
Dimensions: 210 × 330 mm (8.27 × 12.99 in)
F4 measures 210 × 330 mm (8.27 × 12.99 in) and belongs to the Transitional Paper Sizes standard. It is commonly used for transitional office documents.
What size is F4 paper?
An F4 piece of paper measures 210 × 330 mm or 8.27 × 12.99 inches. It is part of the Transitional Paper Sizes standard.

| Units | Width × Height |
|---|---|
| Metric millimeters (mm) | 210 × 330 mm |
| Metric centimeters (cm) | 21.00 × 33.00 cm |
| Metric meters (m) | 0.210 × 0.330 m |
| Imperial inches (in) | 8.27 × 12.99 in |
| Typographic points (1/72 inch) (pt) | 595.28 × 935.43 pt |
| Typographic picas (1/6 inch) (pc) | 49.61 × 77.95 pc |
| Pixels at 300 DPI (px) | 2,480 × 3,898 px |
F4 is part of the transitional paper sizes standard. Transitional paper sizes bridge the gap between the ISO A series and US paper sizes. The PA series was designed as a compromise for international documents.
Quick facts
- Size (mm)210 × 330 mm
- Size (inches)8.27 × 12.99 in
- Aspect ratio1 : 1.57
- StandardTransitional Paper Sizes
- Common useDocuments, letters, forms
Compare F4 with other sizes
Typical uses for F4
F4 measures 210 × 330 mm (8.27 × 12.99 in) and is used for the following tasks.
- Transitional office documents
- Forms, letters and statements
- Booklet and brochure printing
- Compatibility printing between regional sizes
Printer tip
Most home and office printers accept F4 when the tray guides are moved to the matching marks and the same size is selected in the driver.
F4 at common DPI
Pixel dimensions for F4 at popular resolutions. Rounded to whole pixels; physical sheet remains 210 × 330 mm.
| DPI | Width (px) | Height (px) |
|---|---|---|
| 72 | 595 | 935 |
| 96 | 794 | 1,247 |
| 150 | 1,240 | 1,949 |
| 300 | 2,480 | 3,898 |
| 600 | 4,961 | 7,795 |
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210 × 330 mm (8.27 × 12.99 in)