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
Showing 71 to 80 of 124 products
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
Need Help Choosing The Right Tires?
Have questions about fitment, brands, or pricing? Our team of tire experts is here to guide you to the perfect set — zero pressure, zero sales tactics.
Talk to a Tire Specialist Today
We make tire buying fast and effortless. Call or email us (Mon – Sat, 9AM – 5PM PT) to check size compatibility, load index, or speed ratings for your vehicle.
Expert Advice
Reply within 1 business day
Shop Our Collection
Explore premium tires, wheels, and fitments from top brands
Itp 24X9.00-11/6 Mud Lite AT 24X9.00-11
Itp 24X9.00-11/6 Mud Lite AT 24X9.00-11
Nexen 285/50R20XL Nex Winguard Ice SUV 285/50R20
Nexen 285/50R20XL Nex Winguard Ice SUV 285/50R20
Nokian WR SUV3 Studless Winter 235/55R20
Armstrong Blu-trac HP 225/50R17
Itp .00-9/6 Mud Lite AT 22X11.00-9
Itp .00-9/6 Mud Lite AT 22X11.00-9
Zeetex LT MT1000 33X12.50R20
Sumitomo Touring Lst 215/60R16
Toyo Extensa HP II 225/45R17
Gladiator Comp M/T LT295/65R20
Itp 24X9.00-11/6 Mud Lite AT 24X9.00-11
Itp 24X9.00-11/6 Mud Lite AT 24X9.00-11
Nexen 285/50R20XL Nex Winguard Ice SUV 285/50R20
Nexen 285/50R20XL Nex Winguard Ice SUV 285/50R20
Nokian WR SUV3 Studless Winter 235/55R20
Armstrong Blu-trac HP 225/50R17
Itp .00-9/6 Mud Lite AT 22X11.00-9
Itp .00-9/6 Mud Lite AT 22X11.00-9
Zeetex LT MT1000 33X12.50R20
Sumitomo Touring Lst 215/60R16
Toyo Extensa HP II 225/45R17
Gladiator Comp M/T LT295/65R20