ISO 216 — A series
A8 size
52 × 74 mm
2.05 × 2.91 in · 5.2 × 7.4 cm
A8 measures 52 × 74 mm (5.2 × 7.4 cm; 2.05 × 2.91 in). At 300 DPI that is 614 × 874 pixels.
Millimetres
52 × 74 mm
Centimetres
5.2 × 7.4 cm
Inches
2.05 × 2.91 in
Points (pt)
147 × 210 pt
A8 in pixels
| DPI | Pixels (portrait) | Typical use |
|---|---|---|
| 72 | 147 × 210 | Legacy screen standard, PDF points |
| 96 | 197 × 280 | Screens, CSS pixels |
| 150 | 307 × 437 | Everyday printing |
| 300 | 614 × 874 | Print quality |
Adjacent sizes
FAQ — A8
What size is A8 in centimetres?
A8 is 5.2 × 7.4 cm (52 × 74 mm) in portrait orientation.
How many pixels is A8?
It depends on the resolution: at 300 DPI (print) A8 is 614 × 874 pixels; at 96 DPI (screen) it is 197 × 280 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 A7 in half and you get A8. That is why documents scale between sizes without distortion.
What is A8 used for?
Business-card-adjacent, labels.