A6 paper size
A6 paper is 105 × 148 mm (4.13 × 5.83 in) — a quarter of A4 — postcard size.
105 × 148millimetres
4.13 × 5.83inches
A6 vs A4
| Size | mm | inches |
|---|---|---|
| A6 | 105 × 148 mm | 4.13 × 5.83 in |
| A4 | 210 × 297 mm | 8.27 × 11.69 in |
The A-series doubles or halves cleanly: each size up doubles the area, each down halves it, keeping the same 1:√2 shape.
Frequently asked questions
What size is A6 paper?
105 × 148 mm (4.13 × 5.83 in).
What is A6 used for?
Postcards, flyers and index cards. It's a quarter of an A4 sheet (105 × 148 mm).