A SIZES Dimension (mm) A0 1189 x 841 mm A1 841 x 594 mm A2 594 x 420 mm A3 420 x 297 mm A4 297 x 210 mm A5 210 x 148 mm A6 148 x 105 mm A7 105 x 74 mm B sizes B0 – 1000 × 1414 mm B1 – 707 × 1000 mm B2 – 500 × 707 mm B3 – 353 × 500 mm B4 – 250 × 353 mm