A9 Paper Size
A9 paper size measures 37 × 52 mm. The Dimensions of A9 Paper are 1.46 by 2.05 inches, 3.7 by 5.2 centimetres, 437 by 614 pixels at 300 DPI, and 105 by 147 points. It is half of A8. Its most common use is small labels.
A9 measures 37 millimetres wide and 52 millimetres tall.
Dimensions of A9 Paper
| Unit | Width | Height | Width × height | Copy |
|---|---|---|---|---|
| Millimetres (mm) | 37 | 52 | 37 × 52 mm | |
| Centimetres (cm) | 3.7 | 5.2 | 3.7 × 5.2 cm | |
| Metres (m) | 0.037 | 0.052 | 0.037 × 0.052 m | |
| Inches (in) | 1.46 | 2.05 | 1.46 × 2.05 in | |
| Feet (ft) | 0.12 | 0.17 | 0.12 × 0.17 ft | |
| Points (pt) | 105 | 147 | 105 × 147 pt | |
| Picas (pc) | 8.7 | 12.3 | 8.7 × 12.3 pc | |
| Pixels at 72 DPI | 105 | 147 | 105 × 147 px | |
| Pixels at 150 DPI | 219 | 307 | 219 × 307 px | |
| Pixels at 300 DPI | 437 | 614 | 437 × 614 px | |
| Pixels at 600 DPI | 874 | 1228 | 874 × 1228 px |
Pixel counts follow from the resolution: pixels = millimetres ÷ 25.4 × DPI. More on the DPI and pixels page.
A9 Paper Format
A9 is half of A8 and folds in half to A10. One A9 sheet tiles into 2 × A10. Put A9 next to another size in the comparison tool.
A9 Size in Millimeters (mm)
A9 is 37 × 52 mm (37 mm wide, 52 mm tall). Millimetres are the base unit of ISO 216, so these are the exact figures paper mills and print shops cut to. Page-setup dialogs outside the US expect ISO A-series sizes entered in mm.
A9 Size in Centimeters (cm)
A9 is 3.7 × 5.2 cm. Centimetres are the handy unit for checking a sheet against a school ruler or giving a rough size; the figure is the millimetre value divided by ten.
A9 Size in Inches
A9 is 1.46 × 2.05 inches. Inches come up when A9 is opened in US-configured software or compared with Letter and Legal. One inch is fixed at 25.4 mm.
A9 Size in Pixels
At 300 DPI A9 is 437 × 614 px; at 72 DPI it is 105 × 147 px. Pixel dimensions are what you type into the new-document box in Photoshop, GIMP or Figma, and they scale with the DPI you choose.
A9 in Pixels at 72 DPI (Screen)
A9 is 105 × 147 px at 72 DPI. This is the legacy screen resolution, used for on-screen mockups, web previews and wireframes where physical print size is not the point.
A9 in Pixels at 300 DPI (Print)
A9 is 437 × 614 px at 300 DPI. 300 DPI is the print-quality benchmark, so set an A9 canvas to this pixel count for anything going to a commercial or a good home printer.
A9 Size in Points (pt)
A9 is 105 × 147 points. Points are the unit of PDF, InDesign and LaTeX page geometry, where 72 points make one inch. A page set to 105 by 147 pt exports as A9.
A9 Shape and Area
| Aspect ratio | 1 : 1.405 (√2) |
|---|---|
| Area | 0.00192 m² · 1,924 mm² |
| Diagonal | 63.8 mm · 2.51 in |
| ISO 216 tolerance | ± 1.5 mm each side |
| Governing standard | ISO 216:2007 |
Frequently Asked Questions
What is A9 Paper Size?
A piece of A9 paper measures 37 × 52 mm (1.46 × 2.05 in). It is one of the ISO 216 A-series sizes, made by folding A8 in half, and it folds again to make A10.
What are the Uses of A9 Paper?
A9 is used for shelf and price tags, jewellery and small-item labels.
How long is a piece of A9 paper?
A9 is 52 mm long on the longer edge and 37 mm on the shorter edge, which is 5.2 cm by 3.7 cm.
How long is A9 paper in inches?
The long edge of A9 is 2.05 inches and the short edge is 1.46 inches.
How long is a piece of A9 paper in cm?
A9 is 5.2 cm long by 3.7 cm wide.
A Paper Sizes
✓ Dimensions per ISO 216:2007; unit values derived by formula. Reviewed . Editorial Process →