155/30R18
All technical dimensions and alternatives for this tire size.
| Technical Specs | |
|---|---|
| Diameter | 550.2 mm (21.66 in) |
| Section Width | 155 mm (6.1 in) |
| Sidewall Height | 46.5 mm |
| Circumference | 1728.5 mm |
| Revs / km | 578.5 |
| Rim Diameter (in) | R18 (457.2 mm) |
Tire prices in this size
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Alternative sizes (±3%)
Equivalents on other rim diameters
Calculations use nominal dimensions; actual measurements can vary ±1–2% by manufacturer and model. Always follow your owner's manual and door-jamb placard.
155/30R18