Tires Size 225/50R18
Dimensions, specs, and every size 225/50R18 tire currently in stock
26.86"
682 mm · calculated
225 mm
8.86 inches
4.43"
112.5 mm · 50% profile
18"
457.2 mm
1 product
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225/50R18 Specifications
Read directly from the size code. Load index, speed rating, and rim width range vary by model.
| Specification | Imperial | Metric |
|---|---|---|
| Section width | 8.86 in | 225 mm |
| Aspect ratio | 50% | — |
| Sidewall height | 4.43 in | 112.5 mm |
| Overall diameter (calculated) | 26.86 in | 682 mm |
| Wheel / rim diameter | 18 in | 457.2 mm |
| Construction | Radial | — |
What does 225/50R18 mean?
Reading the code on your sidewall
225 mm
The distance from sidewall to sidewall across the tire's widest point.
50% profile
The sidewall stands 50% of the section width, which is 112.5 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.
225/50R18 Questions & Answers
Dimensions and fitment guidelines for size 225/50R18
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