A sizes are standard paper sizesUnframed print sizes• A3: Unframed: 420mm x 297mm• A2: Unframed: 594mm x 420mm• A1: Unframed: 841mm x 594mm• 70x100cm: Unframed: 1000mm x 700mmFramed print sizes• A3: Framed size: 455mm x 331mm• A2: Framed size: 626mm x 456mm• A1: Framed size: 876mm x 630mm• 70x100cm: Framed size: 1034mm x734mm