B4 International Envelope
Dimensions: 250 × 353 mm (9.84 × 13.9 in)
B4 measures 250 × 353 mm (9.84 × 13.90 in) and belongs to the International Envelope Paper Sizes standard. It is commonly used for international correspondence.
What size is B4 paper?
An B4 piece of paper measures 250 × 353 mm or 9.84 × 13.90 inches. It is part of the International Envelope Paper Sizes standard.
| Units | Width × Height |
|---|---|
| Metric millimeters (mm) | 250 × 353 mm |
| Metric centimeters (cm) | 25.00 × 35.30 cm |
| Metric meters (m) | 0.250 × 0.353 m |
| Imperial inches (in) | 9.84 × 13.90 in |
| Typographic points (1/72 inch) (pt) | 708.66 × 1000.63 pt |
| Typographic picas (1/6 inch) (pc) | 59.06 × 83.39 pc |
| Pixels at 300 DPI (px) | 2,953 × 4,169 px |
B4 is part of the international envelope paper sizes standard. International envelope sizes follow the ISO 269 standard. The DL envelope is the most commonly used internationally, designed to hold an A4 sheet folded in thirds.
Quick facts
- Size (mm)250 × 353 mm
- Size (inches)9.84 × 13.90 in
- Aspect ratio1 : 1.41
- StandardInternational Envelope Paper Sizes
- Common useDocuments, letters, forms
Compare B4 with other sizes
Typical uses for B4
B4 measures 250 × 353 mm (9.84 × 13.90 in) and is used for the following tasks.
- International correspondence
- Mailing documents without folding
- Card and invitation mailings
- Courier and records delivery
Printer tip
Load envelopes one at a time or in the dedicated envelope slot, set the flap side correctly, and choose the exact envelope size in the driver.
B4 at common DPI
Pixel dimensions for B4 at popular resolutions. Rounded to whole pixels; physical sheet remains 250 × 353 mm.
| DPI | Width (px) | Height (px) |
|---|---|---|
| 72 | 709 | 1,001 |
| 96 | 945 | 1,334 |
| 150 | 1,476 | 2,085 |
| 300 | 2,953 | 4,169 |
| 600 | 5,906 | 8,339 |
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250 × 353 mm (9.84 × 13.9 in)