B3 Paper Size
B3 paper size measures 353 × 500 mm. The Dimensions of B3 Paper are 13.9 by 19.69 inches, 35.3 by 50.0 centimetres, 4169 by 5906 pixels at 300 DPI, and 1001 by 1417 points. It is half of B2. Its most common use is small posters.
B3 measures 353 millimetres wide and 500 millimetres tall.
Dimensions of B3 Paper
| Unit | Width | Height | Width × height | Copy |
|---|---|---|---|---|
| Millimetres (mm) | 353 | 500 | 353 × 500 mm | |
| Centimetres (cm) | 35.3 | 50.0 | 35.3 × 50.0 cm | |
| Metres (m) | 0.353 | 0.5 | 0.353 × 0.5 m | |
| Inches (in) | 13.9 | 19.69 | 13.9 × 19.69 in | |
| Feet (ft) | 1.16 | 1.64 | 1.16 × 1.64 ft | |
| Points (pt) | 1001 | 1417 | 1001 × 1417 pt | |
| Picas (pc) | 83.4 | 118.1 | 83.4 × 118.1 pc | |
| Pixels at 72 DPI | 1001 | 1417 | 1001 × 1417 px | |
| Pixels at 150 DPI | 2085 | 2953 | 2085 × 2953 px | |
| Pixels at 300 DPI | 4169 | 5906 | 4169 × 5906 px | |
| Pixels at 600 DPI | 8339 | 11811 | 8339 × 11811 px |
Pixel counts follow from the resolution: pixels = millimetres ÷ 25.4 × DPI. More on the DPI and pixels page.
B3 Paper Format
B3 is half of B2 and folds in half to B4. One B3 sheet tiles into 2 × B4, 4 × B5, 8 × B6. Put B3 next to another size in the comparison tool.
B3 Size in Millimeters (mm)
B3 is 353 × 500 mm (353 mm wide, 500 mm tall). Millimetres are the base unit of ISO 216, so these are the exact figures paper mills and print shops cut to. Page-setup dialogs outside the US expect ISO B-series sizes entered in mm.
B3 Size in Centimeters (cm)
B3 is 35.3 × 50.0 cm. Centimetres are the handy unit for checking a sheet against a school ruler or giving a rough size; the figure is the millimetre value divided by ten.
B3 Size in Inches
B3 is 13.9 × 19.69 inches. Inches come up when B3 is opened in US-configured software or lined up against the nearest A size. One inch is fixed at 25.4 mm.
B3 Size in Pixels
At 300 DPI B3 is 4169 × 5906 px; at 72 DPI it is 1001 × 1417 px. Pixel dimensions are what you type into the new-document box in Photoshop, GIMP or Figma, and they scale with the DPI you choose.
B3 in Pixels at 72 DPI (Screen)
B3 is 1001 × 1417 px at 72 DPI. This is the legacy screen resolution, used for on-screen mockups, web previews and wireframes where physical print size is not the point.
B3 in Pixels at 300 DPI (Print)
B3 is 4169 × 5906 px at 300 DPI. 300 DPI is the print-quality benchmark, so set an B3 canvas to this pixel count for anything going to a commercial or a good home printer.
B3 Size in Points (pt)
B3 is 1001 × 1417 points. Points are the unit of PDF, InDesign and LaTeX page geometry, where 72 points make one inch. A page set to 1001 by 1417 pt exports as B3.
B3 Shape and Area
| Aspect ratio | 1 : 1.416 (√2) |
|---|---|
| Area | 0.176 m² · 176,500 mm² |
| Diagonal | 612.1 mm · 24.1 in |
| ISO 216 tolerance | ± 2 mm each side |
| Governing standard | ISO 216:2007 |
Frequently Asked Questions
What is B3 Paper Size?
A piece of B3 paper measures 353 × 500 mm (13.9 × 19.69 in). It is one of the ISO 216 B-series sizes, made by folding B2 in half, and it folds again to make B4.
What are the Uses of B3 Paper?
B3 is used for internal notices and signage, wall charts and reference posters, small promotional posters.
How long is a piece of B3 paper?
B3 is 500 mm long on the longer edge and 353 mm on the shorter edge, which is 50.0 cm by 35.3 cm.
How long is B3 paper in inches?
The long edge of B3 is 19.69 inches and the short edge is 13.9 inches.
How long is a piece of B3 paper in cm?
B3 is 50.0 cm long by 35.3 cm wide.
B Paper Sizes
✓ Dimensions per ISO 216:2007; unit values derived by formula. Reviewed . Editorial Process →