Tires Size 225/55HR18
Dimensions, specs, and every size 225/55HR18 tire currently in stock
27.74"
705 mm · calculated
225 mm
8.86 inches
4.87"
123.8 mm · 55% profile
18"
457.2 mm
1 product
In stock · Free shipping on every order
Showing 1 to 1 of 1 products
225/55HR18 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 | 55% | — |
| Sidewall height | 4.87 in | 123.8 mm |
| Overall diameter (calculated) | 27.74 in | 705 mm |
| Wheel / rim diameter | 18 in | 457.2 mm |
| Construction | Radial | — |
What does 225/55HR18 mean?
Reading the code on your sidewall
225 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 123.8 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.
225/55HR18 Questions & Answers
Dimensions and fitment guidelines for size 225/55HR18
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