上 1/4 of a4 paper 225627-1/4 of a4 sheet
White A3 Size Poster Size A1 Poster Size; When is folded at the centre along its shorter side, we get A5 size paper, which is 148 mm × 210mm or 5 × 7 inches is found to be large for hand written letters, and a lot of paper gets wasted while A5 is also not fit as it is too short for hand written letters 1/4 of a4 sheet