Tires Size 255/65R18
Dimensions, specs, and every size 255/65R18 tire currently in stock
31.06"
789 mm · calculated
255 mm
10.04 inches
6.53"
165.8 mm · 65% profile
18"
457.2 mm
Showing 11 to 12 of 12 products
255/65R18 Specifications
Read directly from the size code. Load index, speed rating, and rim width range vary by model.
| Specification | Imperial | Metric |
|---|---|---|
| Section width | 10.04 in | 255 mm |
| Aspect ratio | 65% | — |
| Sidewall height | 6.53 in | 165.8 mm |
| Overall diameter (calculated) | 31.06 in | 789 mm |
| Wheel / rim diameter | 18 in | 457.2 mm |
| Construction | Radial | — |
What does 255/65R18 mean?
Reading the code on your sidewall
255 mm
The distance from sidewall to sidewall across the tire's widest point.
65% profile
The sidewall stands 65% of the section width, which is 165.8 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.
255/65R18 Questions & Answers
Dimensions and fitment guidelines for size 255/65R18
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