ISO 216 — B series
B10 size
31 × 44 mm
1.22 × 1.73 in · 3.1 × 4.4 cm
B10 measures 31 × 44 mm (3.1 × 4.4 cm; 1.22 × 1.73 in). At 300 DPI that is 366 × 520 pixels.
Millimetres
31 × 44 mm
Centimetres
3.1 × 4.4 cm
Inches
1.22 × 1.73 in
Points (pt)
88 × 125 pt
B10 in pixels
| DPI | Pixels (portrait) | Typical use |
|---|---|---|
| 72 | 88 × 125 | Legacy screen standard, PDF points |
| 96 | 117 × 166 | Screens, CSS pixels |
| 150 | 183 × 260 | Everyday printing |
| 300 | 366 × 520 | Print quality |
Adjacent sizes
FAQ — B10
What size is B10 in centimetres?
B10 is 3.1 × 4.4 cm (31 × 44 mm) in portrait orientation.
How many pixels is B10?
It depends on the resolution: at 300 DPI (print) B10 is 366 × 520 pixels; at 96 DPI (screen) it is 117 × 166 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 B9 in half and you get B10. That is why documents scale between sizes without distortion.
What is B10 used for?
Miniature labels.