A1 Format
Dimensions and most common uses
The dimensions of size A1 are as follows: 594 x 841 mm or 59.4 x 84.1 cm. Compared to other formats, A1 is: half A0, double A2, four times A3, eight times A4 and 16 times A5. Like the other most common formats, A1 is regulated by international paper size standard ISO 216, based on German standard DIN 476.
An A1 sheet has the following dimensions in inches/pixels:
Remember that with pixels, the dimensions depend on the resolution. The higher the resolution, the higher the number of pixels.