PAPER SIZES
What Size Is A0, A1, A2, A3 & A4?
Understanding standard paper and poster sizes
Choosing the right poster size is important when preparing your artwork for printing. The A-series is an internationally recognised range of paper sizes, with each size being half the area of the one before it.
Standard A-Series Sizes
A-series paper sizes provide a simple and consistent way to choose the right size for your poster or print.
A0
Dimensions
841 × 1189 mm
33.1 × 46.8 in
Large format poster
POPULAR SIZE
A1
Dimensions
594 x 841 mm
23.4 × 33.1 in
A popular poster size
A2
Dimensions
420 × 594 mm
16.5 × 23.4 in
Medium poster
A3
Dimensions
297 × 420 mm
11.7 × 16.5 in
Smaller posters & prints
A4
Dimensions
210 × 297 mm
8.3 × 11.7 in
Standard document size
A-Series Paper & Poster Sizes
Each A-series size is half the area of the previous size, making it easy to scale artwork while maintaining the same proportions.
CHOOSING YOUR SIZE
Which Poster Size Should I Choose?
The right poster size depends on where your print will be displayed and how much information or detail you need to include. Here is a quick guide to the most common A-series sizes.
A0
Large Format Posters
A0 is the largest of the common A-series poster sizes and is ideal when your artwork needs to make an impact. It’s well suited to exhibitions, displays, promotional graphics and large-format artwork.
841 × 1189 mm · 33.1 × 46.8 in
A1
Popular Poster Size
A1 is one of the most popular poster sizes and offers an excellent balance between visibility and practicality. It’s ideal for artwork, photography, events, advertising, presentations and display posters.
594 × 841 mm · 23.4 × 33.1 in
A2
Medium Posters
A2 is a versatile poster size that works well when you need something more compact than A1 while still providing plenty of space for images, artwork and information.
420 × 594 mm · 16.5 × 23.4 in
A3
Smaller Posters & Prints
A3 is a useful choice for smaller promotional posters, artwork, notices and prints where a more compact format is preferred.
297 × 420 mm · 11.7 × 16.5 in
A4
Standard Document Size
A4 is the familiar everyday paper size and is ideal for documents, leaflets, information sheets and smaller printed artwork.