Portrait and landscape
In portrait orientation, A4 measures 21 × 29.7 cm. Rotate it by 90 degrees and the measurements swap for landscape orientation: 29.7 × 21 cm .
A4 Print Size: 21 × 29.7 cm
A4 is a compact print size that works well for smaller walls, desks, shelves and gallery-wall layouts. This guide gives you the exact measurements, pixel dimensions, framing basics and a practical way to compare A4 with other common art sizes.
A4 dimensions
21 × 29.7 cm
Portrait: 21 × 29.7 cm. Landscape: 29.7 × 21 cm.
Millimetres
210 × 297 mm
Centimetres
21 × 29.7 cm
Approx. inches
8.27 × 11.69 inches
300 DPI
2480 × 3508 pixels
A4 dimensions and print resolution
Pixels for printing
At 300 DPI, use approximately 2480 × 3508 pixels . At 150 DPI, use approximately 1240 × 1754 pixels .
What frame size fits A4?
For an unmounted A4 print, choose a frame designed for 210 × 297 mm artwork. If you want a visible mount around the print, choose a larger frame and check the mount opening carefully.
Frame manufacturers may describe product sizes differently, so check whether the stated measurement refers to the artwork opening, mount opening or outside frame dimensions.
How does A4 look on a wall?
A4 is relatively small as a standalone wall artwork. It is often more useful on a narrow wall, above a desk, on shelving or as part of a group of prints. For larger furniture such as a sofa, compare A4 with A3, A2 or A1.
If you are choosing artwork for a specific sofa, bed or wall, use the Art For My Room size calculator to compare the artwork with your actual measurements.
A4 vs A3 vs A2 vs A1
The ISO A-series makes comparison straightforward. Each step toward a smaller number gives you a substantially larger sheet while keeping the same proportions.
A4 print size questions
What size is A4 in centimetres?
A4 measures 21 × 29.7 cm in portrait orientation.
What size is A4 in millimetres?
A4 measures 210 × 297 mm.
What size is A4 in inches?
A4 is approximately 8.27 × 11.69 inches.
What resolution is best for an A4 print?
For printing at 300 DPI, A4 is approximately 2480 × 3508 pixels. At 150 DPI it is approximately 1240 × 1754 pixels.
Compare art print sizes
Move between the guides to compare dimensions, pixels and framing before choosing your artwork.
Choose art for the wall, not just the paper size
Calculate a suitable artwork size from your own measurements, browse A3 prints, or use Room Match to discover artwork that suits your space.