We stock printer paper in a range of sizes, the vast majority that you will use will be A4 printer paper but you should also hold a stock of A3 paper for printing out some visuals for a clearer reference. A5 printer paper is also useful for producing mock ups of booklet designs and smaller graphics.
A1 paper - 841 x 594mm 33 1/8 x 23 3/8 ins (double A3 size)
A2 paper - 420 x 594mm 23 3/8 x 16 ½ins
A3 paper - 420 x 297mm 16 ½ x 11 ¾ ins (double A4size)
A4 paper - 210 x 297mm 11 ¾ x 8 ¼ ins
A5 paper - 148 x 210mm 8 ¼ x 5 7/8 ins (half A4size)
A6 paper - 105 x 148mm 5 7/8 x 4 1/8 ins (half A5size)

A4 Paper is the most commonly used paper size for general office use. This is what you will need for letters, invoices, most reports and general use.
A3 Paper is double the size of A4 paper so great for when you need to print out a graph or table that needs more space to be fully interpreted.
A5 Paper is half the size of A4 paper and is great for when you need to insert your printing into a mailing going out in C5 size envelopes. This can save on mailing costs and also time spent folding A4 paper.