TireGeoCalcTire speed rating chart
A speed symbol describes performance under controlled laboratory conditions. It is not permission to drive at that speed. Load, pressure, wear, damage and road conditions affect actual capability. Follow the vehicle and tire manufacturer's instructions and legal speed limits.
Source: Toyo Tires: Load & Speed, checked . Mph values are converted and rounded; see our method.
| Symbol | km/h | mph (converted) |
|---|---|---|
| L | 120 | 75 |
| M | 130 | 81 |
| N | 140 | 87 |
| P | 150 | 93 |
| Q | 160 | 99 |
| R | 170 | 106 |
| S | 180 | 112 |
| T | 190 | 118 |
| U | 200 | 124 |
| H | 210 | 130 |
| V | 240 | 149 |
| W | 270 | 168 |
| Y | 300 | 186 |
H follows U in capability order. O and I are not speed symbols in this range. ZR is a size designation for capability over 240 km/h, not a fixed top speed; (Y) indicates over 300 km/h. Consult the manufacturer for those cases.