255/40R12
All technical dimensions and alternatives for this tire size.
| Technical Specs | |
|---|---|
| Diameter | 508.8 mm (20.03 in) |
| Section Width | 255 mm (10.04 in) |
| Sidewall Height | 102 mm |
| Circumference | 1598.4 mm |
| Revs / km | 625.6 |
| Rim Diameter (in) | R12 (304.8 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.
255/40R12