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The Transitional paper standards are detailed here on this page. The PA series was to be adopted by the ISO 216 standard but the committee in charge decided against it. This was doen to preserve the other standards and to not dilute the paper series already in use.

Still very commonly used in South East Asia, the transitional paper series is very common in International magazines.

Format Width x Height (mm) Width x Height (inches)
PA0 840 x 1120 mm 33.1 x 44.1 inches
PA1 560 x 840 mm 22 x 33.1 inches
PA2 420 x 560 mm 16.5 x 22 inches
PA3 280 x 420 mm 11 x 16.5 inches
PA4 210 x 280 mm 8.3 x 11 inches
PA5 140 x 210 mm 5.5 x 8.3 inches
PA6 105 x 140 mm 4.1 x 5.5 inches
PA7 70 x 105 mm 2.8 x 4.1 inches
PA8 52 x 70 mm 2 x 2.8 inches
PA9 35 x 52 mm 1.4 x 2 inches
PA10 26 x 35 mm 1 x 1.4 inches
F0 841 x 1321 mm 33.1 x 52 inches
F1 660 x 841 mm 26 x 33.1 inches
F2 420 x 660 mm 16.5 x 26 inches
F3 330 x 420 mm 13 x 16.5 inches
F4 210 x 330 mm 8.3 x 13 inches
F5 165 x 210 mm 6.5 x 8.3 inches
F6 105 x 165 mm 4.1 x 6.5 inches
F7 82 x 105 mm 3.2 x 4.1 inches
F8 52 x 82 mm 2 x 3.2 inches
F9 41 x 52 mm 1.6 x 2 inches
F10 26 x 41 mm 1 x 1.6 inches