Ganda Media

A3 size

An A3 piece of paper measures 297 × 420 mm or 11.69 × 16.54 inches. Cutting it in half will create two A4 sheets. A3 is part of the A series.

A3 dimensions

A3 Template.pdf

Portrait

297 × 420 mm

Millimetres
297 × 420 mm
Centimetres
29.7 × 42 cm
Inches
11.69 × 16.54 in
Points
842 × 1191 pt
Picas
70.2 × 99.2 pc
Pixels · 72 PPI
842 × 1191 px at 72 PPI
Pixels · 150 PPI
1754 × 2480 px at 150 PPI
Pixels · 300 PPI
3508 × 4961 px at 300 PPI

How A3 fits

A3 halving diagram The sheet is cut across its short edge into two equal smaller A-series sheets. A3cut across theshort edge

Cutting an A3 sheet in half across its short edge creates two A4 sheets.

The diagram is illustrative; the written dimensions above are authoritative.

Common uses

  • Posters
  • Folded brochures

Questions about A3

What size is A3 paper?

A3 measures 297 × 420 mm, or 11.69 × 16.54 inches.

What is A3 in pixels at 300 DPI?

For image setup, A3 is 3508 × 4961 pixels at 300 PPI. DPI describes printer dots; PPI is the technically correct measure for an image file.

What happens when A3 is cut in half?

Cutting A3 in half across its short edge creates two A4 sheets.

Can A3 paper be landscape?

Yes. Rotate the dimensions to 420 × 297 mm for landscape orientation.

What is A3 commonly used for?

Common uses include posters and folded brochures.

Print at A3

Artwork templates