ISO 216 — A series
A10 size
26 × 37 mm
1.02 × 1.46 in · 2.6 × 3.7 cm
A10 measures 26 × 37 mm (2.6 × 3.7 cm; 1.02 × 1.46 in). At 300 DPI that is 307 × 437 pixels.
Millimetres
26 × 37 mm
Centimetres
2.6 × 3.7 cm
Inches
1.02 × 1.46 in
Points (pt)
74 × 105 pt
A10 in pixels
| DPI | Pixels (portrait) | Typical use |
|---|---|---|
| 72 | 74 × 105 | Legacy screen standard, PDF points |
| 96 | 98 × 140 | Screens, CSS pixels |
| 150 | 154 × 219 | Everyday printing |
| 300 | 307 × 437 | Print quality |
Adjacent sizes
FAQ — A10
What size is A10 in centimetres?
A10 is 2.6 × 3.7 cm (26 × 37 mm) in portrait orientation.
How many pixels is A10?
It depends on the resolution: at 300 DPI (print) A10 is 307 × 437 pixels; at 96 DPI (screen) it is 98 × 140 pixels.
How is the A series defined?
Every ISO 216 A-series size has a √2 ≈ 1:1.414 aspect ratio. Each size is half the previous one: fold A9 in half and you get A10. That is why documents scale between sizes without distortion.
What is A10 used for?
Stamps, miniature labels.