QR Code संस्करण 15 (77×77)
QR version 15 is 77×77 modules: up to 1,250 digits, 758 alphanumeric, 520 bytes or 320 kanji at level L; 220 bytes at H.
Version 15 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 | न्यूमेरिक | अल्फान्यूमेरिक | Byte | Kanji |
|---|---|---|---|---|---|
| L | ~7% | 1250 | 758 | 520 | 320 |
| M | ~15% | 991 | 600 | 412 | 254 |
| Q | ~25% | 703 | 426 | 292 | 180 |
| H | ~30% | 530 | 321 | 220 | 136 |
Codewords and error-correction blocks
The symbol carries 655 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 | 523 | 132 | 5 × (109, 87, 22) + 1 × (110, 88, 22) |
| M | 415 | 240 | 5 × (65, 41, 24) + 5 × (66, 42, 24) |
| Q | 295 | 360 | 5 × (54, 24, 30) + 7 × (55, 25, 30) |
| H | 223 | 432 | 11 × (36, 12, 24) + 7 × (37, 13, 24) |
Symbol structure
- मॉड्यूल
- 77 × 77
- Data modules (codeword bits + remainder bits)
- 5243
- Remainder bits
- 3
- Alignment patterns
- 13 (centre rows/columns 6, 26, 48, 70)
- Version information blocks
- Yes (2 × 18 bits)