二维码版本 25 (117×117)
QR version 25 is 117×117 modules: up to 3,057 digits, 1,853 alphanumeric, 1,273 bytes or 784 kanji at level L; 535 bytes at H.
Version 25 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 | 字母数字 | 字节 | 汉字 |
|---|---|---|---|---|---|
| L | ~7% | 3057 | 1853 | 1273 | 784 |
| M | ~15% | 2395 | 1451 | 997 | 614 |
| Q | ~25% | 1718 | 1041 | 715 | 440 |
| H | ~30% | 1286 | 779 | 535 | 330 |
Codewords and error-correction blocks
The symbol carries 1588 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 | 1276 | 312 | 8 × (132, 106, 26) + 4 × (133, 107, 26) |
| M | 1000 | 588 | 8 × (75, 47, 28) + 13 × (76, 48, 28) |
| Q | 718 | 870 | 7 × (54, 24, 30) + 22 × (55, 25, 30) |
| H | 538 | 1050 | 22 × (45, 15, 30) + 13 × (46, 16, 30) |
Symbol structure
- 模块
- 117 × 117
- Data modules (codeword bits + remainder bits)
- 12708
- Remainder bits
- 4
- Alignment patterns
- 22 (centre rows/columns 6, 32, 58, 84, 110)
- Version information blocks
- Yes (2 × 18 bits)