二维码版本 10 (57×57)
QR version 10 is 57×57 modules: up to 652 digits, 395 alphanumeric, 271 bytes or 167 kanji at level L; 119 bytes at H.
Version 10 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% | 652 | 395 | 271 | 167 |
| M | ~15% | 513 | 311 | 213 | 131 |
| Q | ~25% | 364 | 221 | 151 | 93 |
| H | ~30% | 288 | 174 | 119 | 74 |
Codewords and error-correction blocks
The symbol carries 346 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 | 274 | 72 | 2 × (86, 68, 18) + 2 × (87, 69, 18) |
| M | 216 | 130 | 4 × (69, 43, 26) + 1 × (70, 44, 26) |
| Q | 154 | 192 | 6 × (43, 19, 24) + 2 × (44, 20, 24) |
| H | 122 | 224 | 6 × (43, 15, 28) + 2 × (44, 16, 28) |
Symbol structure
- 模块
- 57 × 57
- Data modules (codeword bits + remainder bits)
- 2768
- Remainder bits
- 0
- Alignment patterns
- 6 (centre rows/columns 6, 28, 50)
- Version information blocks
- Yes (2 × 18 bits)