The symbol that shows a tire's performance level consists of two parts:Tire performance is marked by Load Index (LI) and Speed Symbol (SS). LI refers to the maximum weight that one tire can support, and SS refers to the maximum speed that a tire can handle. load index and speed symbol.
Load index shows in codified form the maximum weight that can be supported by one tire while driving.
For example if the load index is 100 it means that a tire can support a maximum of 800kg.

1pound(lb) = 0.4536kg
| LI | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| KG | 46.2 | 47.5 | 48.7 | 50 | 51.5 | 53 | 54.5 | 56 | 58 | 60 |
| LI | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| KG | 61.5 | 63 | 65 | 67 | 69 | 71 | 73 | 75 | 77.5 | 80 |
| LI | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| KG | 82.5 | 85 | 87.5 | 90 | 92.5 | 95 | 97 | 100 | 103 | 106 |
| LI | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 |
| KG | 109 | 112 | 115 | 118 | 121 | 125 | 128 | 132 | 136 | 140 |
| LI | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 |
| KG | 145 | 150 | 155 | 160 | 165 | 170 | 175 | 180 | 185 | 190 |
| LI | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 |
| KG | 195 | 200 | 206 | 212 | 218 | 224 | 230 | 236 | 243 | 250 |
| LI | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 |
| KG | 257 | 265 | 272 | 280 | 290 | 300 | 307 | 315 | 325 | 335 |
| LI | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 |
| KG | 345 | 355 | 365 | 375 | 387 | 400 | 412 | 425 | 437 | 450 |
| LI | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 |
| KG | 462 | 475 | 487 | 500 | 515 | 530 | 545 | 560 | 580 | 600 |
| LI | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 |
| KG | 615 | 630 | 650 | 670 | 690 | 710 | 730 | 750 | 775 | 800 |