A3 Posters Size
What is the A3 size for posters?
A3 Poster dimensions in Millimetres, Centimetres and Inches
Paper format: A3 Poster
Dimensions in Millimeters: 297 x 420 mm
Dimensions in Centimeters: 29.7 x 42 cm
Dimensions in Inches: 11.69 x 16.54 in
When should I use A3 Posters?
Aside from these features, there are different A3 size poster materials that will surely add value to them. For instance, there is the standard 135 gsm gloss MC which is perfect for indoors. There is also the 115 gsm Blueback colour blocking for billboards and poster walls. There is 170 gsm PVC, which is waterproof, making it a great option for outdoor promotions. Finally, our range also includes double-sided posters, neon posters, sticky posters, photo posters and others, all for you to choose.
If you are looking for a reliable outdoor promotional material that is easy to reproduce and distribute, then go for A3 posters. To learn more about the different poster formats, feel free to get in touch with us and we will be more than happy to help, or consult our poster offering directly.
Printing resolution for A3 Posters
The resolution needed to print A3 size images with the best quality is 297 x 420 mm at 300 ppi (pixels per inch). Please do note that you would still have to add a bleed of 3 mm on all sides of your design, to ensure you receive your printed products exactly as you expected. InDesign has a tool with which you can easily add bleed to your designs, but in Photoshop you will have to add bleed manually. Not sure if you added bleed the right way? Check our free templates on the product page of the product you’re ordering!
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