QR コードバージョン 20 (97×97)
QR version 20 is 97×97 modules: up to 2,061 digits, 1,249 alphanumeric, 858 bytes or 528 kanji at level L; 382 bytes at H.
Version 20 data capacity
Maximum characters in a single encoding mode, per error-correction level (ISO/IEC 18004:2015, Table 7). Mixed-mode data and ECI headers reduce these limits.
| EC level | Recovers | 数字 | 英数字 | バイト | 漢字 |
|---|---|---|---|---|---|
| L | ~7% | 2,061 | 1,249 | 858 | 528 |
| M | ~15% | 1,600 | 970 | 666 | 410 |
| Q | ~25% | 1,159 | 702 | 482 | 297 |
| H | ~30% | 919 | 557 | 382 | 235 |
Codewords and error-correction blocks
The symbol carries 1085 codewords in total, split between data and Reed-Solomon error correction (ISO/IEC 18004:2015, Table 9).
| EC level | Data codewords | EC codewords | Blocks (count × total, data, EC codewords) |
|---|---|---|---|
| L | 861 | 224 | 3 × (135, 107, 28) + 5 × (136, 108, 28) |
| M | 669 | 416 | 3 × (67, 41, 26) + 13 × (68, 42, 26) |
| Q | 485 | 600 | 15 × (54, 24, 30) + 5 × (55, 25, 30) |
| H | 385 | 700 | 15 × (43, 15, 28) + 10 × (44, 16, 28) |
Symbol structure
- モジュール
- 97 × 97
- Data modules (codeword bits + remainder bits)
- 8,683
- Remainder bits
- 3
- Alignment patterns
- 13 (centre rows/columns 6, 34, 62, 90)
- Version information blocks
- Yes (2 × 18 bits)