Our sizing guide is based on the international A sizes and covers A1, A2, A3, A4, A5, A6, A7 and A8.
International A sizes
|A0||841 x 1189mm||33.1 x 46.8 inchs|
|A1||594 x 841mm||23.4 x 33.1 inchs|
|A2||420 x 594mm||16.5 x 23.4 inchs|
|A3||297 x 420mm||11.7 x 16.5 inchs|
|A4||210 x 297mm||8.3 x 11.7 inchs|
|A5||148 x 210mm||5.8 x 8.3 inchs|
|A6||105 x 148mm||4.1 x 5.8 inchs|
|A7||74 x 105mm||2.9 x 4.1 inchs|
|A8||52 x 74mm||2.0 x 2.9 inchs|
Whenever you’re shopping for paper, you may notice in the description a number followed by GSM. This stands for Grams Per Meter and is how paper is graded by weight- the higher the number the heavier the sheet and thicker the paper.
Paper whiteness is measured in CIE. This is a measurement of the amount of light reflecting off of the sheet of paper and therefore how ‘white’ the paper appears- the higher the number, the whiter the sheet of paper will appear.
FSC certified paper is paper that has been harvested in a responsible manner. FSC is an acronym for the Forest Stewardship Council, which is an independent, non-governmental, not-for-profit organization that was established to promote the responsible management of the world's forests
History of paper sizes
The standard size of paper was first mentioned in 1786 by a Physics professor. This paper size standard ISO 216 (commonly referred to as the A sizing) has since become used across the world. The only places who do not regularly use this paper sizing are North, Central and South America. The Americas use North American sizing and includes paper sizes referred to as Legal and Letter.