A12
Dimensions: 13 × 18 mm (0.51 × 0.71 in)
A12 measures 13 × 18 mm (0.51 × 0.71 in) and belongs to the ISO 216 standard. It is commonly used for micro labels and stickers.
What size is A12 paper?
An A12 piece of paper measures 13 × 18 mm or 0.51 × 0.71 inches. It is part of the A Paper Sizes standard.
| Units | Width × Height |
|---|---|
| Metric millimeters (mm) | 13 × 18 mm |
| Metric centimeters (cm) | 1.30 × 1.80 cm |
| Metric meters (m) | 0.013 × 0.018 m |
| Imperial inches (in) | 0.51 × 0.71 in |
| Typographic points (1/72 inch) (pt) | 36.85 × 51.02 pt |
| Typographic picas (1/6 inch) (pc) | 3.07 × 4.25 pc |
| Pixels at 300 DPI (px) | 154 × 213 px |
A12 is part of the a paper sizes standard. The A series traces its standardised dimensions to DIN 476, published in Germany in 1922. Georg Christoph Lichtenberg had described the underlying square-root-of-two aspect-ratio principle in 1786. ISO 216 brought the A and B trimmed-paper formats into an international standard in 1975; numbered A sizes retain approximately the same proportions as each sheet is halved.
Quick facts
- Size (mm)13 × 18 mm
- Size (inches)0.51 × 0.71 in
- Aspect ratio1 : √2 (≈ 1.414)
- StandardISO 216
- Common useDocuments, letters, forms
Compare A12 with other sizes
Typical uses for A12
A12 measures 13 × 18 mm (0.51 × 0.71 in) and is used for the following tasks.
- Micro labels and stickers
- Miniature craft templates
- Sample tags and swatches
- Model-making parts
Printer tip
Small sheets feed best through the manual slot. Set a custom paper size instead of printing on a larger sheet and trimming afterwards.
A12 at common DPI
Pixel dimensions for A12 at popular resolutions. Rounded to whole pixels; physical sheet remains 13 × 18 mm.
| DPI | Width (px) | Height (px) |
|---|---|---|
| 72 | 37 | 51 |
| 96 | 49 | 68 |
| 150 | 77 | 106 |
| 300 | 154 | 213 |
| 600 | 307 | 425 |
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13 × 18 mm (0.51 × 0.71 in)