UK paper size guide
Paper is available in a range of sizes to suit your every need; our paper size guide shows measurements in both millimetres and inches.
This guide is based on the UK “A” standard and covers A0, A1, A2, A3, A4, A5 and A6.
Key Words
Grammage - GSM or "Grams per Square Meter" is the weight of a single sheet of paper.
Whiteness - Whiteness is the measure of how much light is reflected by a sheet and is measured in CIE.
Thickness - Measured in microns (1/1000 of a millimetre).
Opacity - This is a measure of how transparent a sheet is.
Ream - Amount of sheets per pack which can vary in quantity dependent on the manufacturer and the GSM.
