ISO 216 — B series
B9 size
44 × 62 mm
1.73 × 2.44 in · 4.4 × 6.2 cm
B9 measures 44 × 62 mm (4.4 × 6.2 cm; 1.73 × 2.44 in). At 300 DPI that is 520 × 732 pixels.
Millimetres
44 × 62 mm
Centimetres
4.4 × 6.2 cm
Inches
1.73 × 2.44 in
Points (pt)
125 × 176 pt
B9 in pixels
| DPI | Pixels (portrait) | Typical use |
|---|---|---|
| 72 | 125 × 176 | Legacy screen standard, PDF points |
| 96 | 166 × 234 | Screens, CSS pixels |
| 150 | 260 × 366 | Everyday printing |
| 300 | 520 × 732 | Print quality |
Adjacent sizes
FAQ — B9
What size is B9 in centimetres?
B9 is 4.4 × 6.2 cm (44 × 62 mm) in portrait orientation.
How many pixels is B9?
It depends on the resolution: at 300 DPI (print) B9 is 520 × 732 pixels; at 96 DPI (screen) it is 166 × 234 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 B8 in half and you get B9. That is why documents scale between sizes without distortion.
What is B9 used for?
Small labels.