Tires Size 235/55R18
Dimensions, specs, and every size 235/55R18 tire currently in stock
28.18"
716 mm · calculated
235 mm
9.25 inches
5.09"
129.3 mm · 55% profile
18"
457.2 mm
1 product
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235/55R18 Specifications
Read directly from the size code. Load index, speed rating, and rim width range vary by model.
| Specification | Imperial | Metric |
|---|---|---|
| Section width | 9.25 in | 235 mm |
| Aspect ratio | 55% | — |
| Sidewall height | 5.09 in | 129.3 mm |
| Overall diameter (calculated) | 28.18 in | 716 mm |
| Wheel / rim diameter | 18 in | 457.2 mm |
| Construction | Radial | — |
What does 235/55R18 mean?
Reading the code on your sidewall
235 mm
The distance from sidewall to sidewall across the tire's widest point.
55% profile
The sidewall stands 55% of the section width, which is 129.3 mm on this size.
Radial
The body plies run across the tire at right angles to the direction of travel.
18 in
Fits a wheel measuring 18 inches across.
235/55R18 Questions & Answers
Dimensions and fitment guidelines for size 235/55R18
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