A4 size
21 × 29.7 cm · 8.3 × 11.7 in
A4 is 210 × 297 mm, or 21 × 29.7 cm, which is 8.3 × 11.7 in. Numbers are hard to picture, so here is an A4 print hung at its real size in real rooms.
How big A4 is on a wall
The sample painting as an A4 print, 21 × 29.7 cm, hung at its real size.
A4 in numbers
- Centimetres
- 21 × 29.7 cm
- Millimetres
- 210 × 297 mm
- Inches
- 8.3 × 11.7 in
- Ratio
- 1:1.41, the same shape as every A size
- Pixels to print sharp, 300 dpi
- 2,480 × 3,508 px
- Pixels for a poster, 150 dpi
- 1,240 × 1,754 px
On a wall seen from a step or two away, a print at 200 dpi looks just as sharp, and needs 1,654 × 2,339 px. Check your image.
What size frame for an A4 print
- Without a mount
- an A4 frame, 25 × 33.7 cm on the wall
- With a mount
- a 30 × 40 cm frame, 34 × 44 cm on the wall
- Mount width
- 5 cm at the sides, 5.7 cm at the top and bottom
- Mount window
- 20 × 28.7 cm
- Other frames that take it with a mount
- A3, 40 × 50 cm
Sizes on the wall include a slim 2 cm frame. Mount widths are measured from the window, as framers quote them. The window is a little smaller than the print, so the mount holds its edges. See an A4 print framed on a wall with the frame size calculator, in the frame and mount colours you choose.
Sizes of the same shape
An image made for A4 prints at these sizes without cropping: A3, A2, A1, A0.