Tires Size P245/70R18
Dimensions, specs, and every size P245/70R18 tire currently in stock
31.5"
800 mm · calculated
245 mm
9.65 inches
6.75"
171.5 mm · 70% profile
18"
457.2 mm
1 product
In stock · Free shipping on every order
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P245/70R18 Specifications
Read directly from the size code. Load index, speed rating, and rim width range vary by model.
| Specification | Imperial | Metric |
|---|---|---|
| Section width | 9.65 in | 245 mm |
| Aspect ratio | 70% | — |
| Sidewall height | 6.75 in | 171.5 mm |
| Overall diameter (calculated) | 31.5 in | 800 mm |
| Wheel / rim diameter | 18 in | 457.2 mm |
| Construction | Radial | — |
| Service type | Passenger car | — |
What does P245/70R18 mean?
Reading the code on your sidewall
245 mm
The distance from sidewall to sidewall across the tire's widest point.
70% profile
The sidewall stands 70% of the section width, which is 171.5 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.
P245/70R18 Questions & Answers
Dimensions and fitment guidelines for size P245/70R18
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