The defined sizes (with[setFullPage](https://doc.qt.io/archives/qt-4.8/qprinter.html#setFullPage)(true)) are: | Constant | Value | Description | | --- | --- | --- | | `QPrinter::A0` | `5` | 841 x 1189 mm | | `QPrinter::A1` | `6` | 594 x 841 mm | | `QPrinter::A2` | `7` | 420 x 594 mm | | `QPrinter::A3` | `8` | 297 x 420 mm | | `QPrinter::A4` | `0` | 210 x 297 mm, 8.26 x 11.69 inches | | `QPrinter::A5` | `9` | 148 x 210 mm | | `QPrinter::A6` | `10` | 105 x 148 mm | | `QPrinter::A7` | `11` | 74 x 105 mm | | `QPrinter::A8` | `12` | 52 x 74 mm | | `QPrinter::A9` | `13` | 37 x 52 mm | | `QPrinter::B0` | `14` | 1000 x 1414 mm | | `QPrinter::B1` | `15` | 707 x 1000 mm | | `QPrinter::B2` | `17` | 500 x 707 mm | | `QPrinter::B3` | `18` | 353 x 500 mm | | `QPrinter::B4` | `19` | 250 x 353 mm | | `QPrinter::B5` | `1` | 176 x 250 mm, 6.93 x 9.84 inches | | `QPrinter::B6` | `20` | 125 x 176 mm | | `QPrinter::B7` | `21` | 88 x 125 mm | | `QPrinter::B8` | `22` | 62 x 88 mm | | `QPrinter::B9` | `23` | 33 x 62 mm | | `QPrinter::B10` | `16` | 31 x 44 mm | | `QPrinter::C5E` | `24` | 163 x 229 mm | | `QPrinter::Comm10E` | `25` | 105 x 241 mm, U.S. Common 10 Envelope | | `QPrinter::DLE` | `26` | 110 x 220 mm | | `QPrinter::Executive` | `4` | 7.5 x 10 inches, 190.5 x 254 mm | | `QPrinter::Folio` | `27` | 210 x 330 mm | | `QPrinter::Ledger` | `28` | 431.8 x 279.4 mm | | `QPrinter::Legal` | `3` | 8.5 x 14 inches, 215.9 x 355.6 mm | | `QPrinter::Letter` | `2` | 8.5 x 11 inches, 215.9 x 279.4 mm | | `QPrinter::Tabloid` | `29` | 279.4 x 431.8 mm | | `QPrinter::Custom` | `30` | Unknown, or a user defined size. |