The smaller size (A5) is roughly 148.5 x 210 mm / 5.8 x 8.3 inches
The larger size (A4) is roughly 210 x 297 mm / 8.3 x 11.7 inches.
The smaller size (A5) is roughly 148.5 x 210 mm / 5.8 x 8.3 inches
The larger size (A4) is roughly 210 x 297 mm / 8.3 x 11.7 inches.