ISO 216 — B series
B3 size
353 × 500 mm
13.90 × 19.69 in · 35.3 × 50 cm
B3 measures 353 × 500 mm (35.3 × 50 cm; 13.90 × 19.69 in). At 300 DPI that is 4169 × 5906 pixels.
Millimetres
353 × 500 mm
Centimetres
35.3 × 50 cm
Inches
13.90 × 19.69 in
Points (pt)
1001 × 1417 pt
B3 in pixels
| DPI | Pixels (portrait) | Typical use |
|---|---|---|
| 72 | 1001 × 1417 | Legacy screen standard, PDF points |
| 96 | 1334 × 1890 | Screens, CSS pixels |
| 150 | 2085 × 2953 | Everyday printing |
| 300 | 4169 × 5906 | Print quality |
Adjacent sizes
FAQ — B3
What size is B3 in centimetres?
B3 is 35.3 × 50 cm (353 × 500 mm) in portrait orientation.
How many pixels is B3?
It depends on the resolution: at 300 DPI (print) B3 is 4169 × 5906 pixels; at 96 DPI (screen) it is 1334 × 1890 pixels.
How is the B series defined?
Every ISO 216 B-series size has a √2 ≈ 1:1.414 aspect ratio. Each size is half the previous one: fold B2 in half and you get B3. That is why documents scale between sizes without distortion.
What is B3 used for?
Posters, print sheets.