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Paper size guide

9 × 12 inch paper size

9 × 12 inch measures 228.6 × 304.8 mm, which is 9 × 12 inches (22.86 × 30.48 cm). 9 × 12 inches is a very common size for sketch pads, drawing pads and paper blocks.

9 × 12 inch dimensions

Millimetres228.6 × 304.8 mm
Centimetres22.86 × 30.48 cm
Inches9 × 12 in
Points648 × 864 pt
Pixels at 72 dpi648 × 864 px
Pixels at 150 dpi1350 × 1800 px
Pixels at 300 dpi2700 × 3600 px
Proportion1 : 1.333

Drawing on 9 × 12 inch

A comfortable, portable size for finished sketches and practice drawings. Many art papers and pads are sold at 9 × 12, so it is easy to source and to frame in standard sizes.

Typical uses: drawing pads and blocks, practice pieces, small finished drawings.

Usable drawing area with a margin

Most artists leave a margin so the drawing can be mounted and the edges stay clean.

MarginDrawing area (mm)Drawing area (in)
10 mm all round208.6 × 284.88.21 × 11.21
20 mm all round188.6 × 264.87.43 × 10.43
30 mm all round168.6 × 244.86.64 × 9.64

To copy a reference photo accurately onto 9 × 12 inch, try the grid drawing tool, which scales a grid to your paper size. Choosing paper? See the best paper for coloured pencils and paper weight explained.

Framing 9 × 12 inch

A 9 × 12 inch frame takes 9 × 12 inch unmounted. For a mounted drawing, the mount overlaps the sheet by roughly 6 mm each side, so the visible image (aperture) is about 216.6 × 292.8 mm.

Standard frames that leave at least 20 mm of mount border around a 9 × 12 inch sheet:

FrameSide borderTop and bottom
A340.2 mm63.6 mm
A2101.7 mm150.6 mm
A1188.7 mm274.1 mm
11 × 14 inch31.4 mm31.4 mm
12 × 16 inch44.1 mm56.8 mm

Try your own numbers in the frame and mount calculator, or read how to frame and mount a drawing.

Frequently asked questions

What size is 9 × 12 inch in inches?+

9 × 12 inch is 9 × 12 inches (228.6 × 304.8 mm, or 22.86 × 30.48 cm).

What is 9 × 12 inch in pixels?+

At 72 dpi 9 × 12 inch is 648 × 864 pixels, at 150 dpi it is 1350 × 1800, and at 300 dpi it is 2700 × 3600. Use 300 dpi to scan or print artwork at full quality.

How much of the sheet can I draw on at 9 × 12 inch?+

With a 20 mm margin around the edge, the drawing area on 9 × 12 inch is 188.6 × 264.8 mm. Leave more if you plan to mount the drawing, because a mount overlaps the paper by around 6 mm on each side.

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