The A size system uses a simple aspect ratio of 1:√2, which means that each size is proportionally larger or smaller than the previous size while maintaining the same aspect ratio. The most commonly used size is A4, which is the standard size for letters, documents, and many types of printed media.
Here are the A sizes in our catalogue , listed from largest to smallest:
A1: 594 x 841 mm (23.4 x 33.1 inches)
A2: 420 x 594 mm (16.5 x 23.4 inches)
A3: 297 x 420 mm (11.7 x 16.5 inches)
A4: 210 x 297 mm (8.3 x 11.7 inches)
A5: 148 x 210 mm (5.8 x 8.3 inches)
The A size system is widely used in the printing and graphic design industries because it allows easy scaling of documents while maintaining their aspect ratio. For instance, you can enlarge or reduce an A4 document to A3 or A5 size without having to crop or distort the content.
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