Tires Size 225/55R18
Dimensions, specs, and every size 225/55R18 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
2 products
In stock · Free shipping on every order
Showing 1 to 2 of 2 products
225/55R18 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 225/55R18 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.
225/55R18 Questions & Answers
Dimensions and fitment guidelines for size 225/55R18
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 anytime to verify size compatibility, load index, or speed ratings for your vehicle.
Fast Expert Advice
Response within 1 business hour
Shop Our Collection
Explore premium tires, wheels, and fitments from top brands
LT275/65R18 ROYALBLACK MILAGEMAX LTR H/T 123/120S 10PLY
205/50ZR17 FULLRUN F6000 93W XL M+S 380A-A
265/70R16 ATLANDER ROVERCLAW A/T OWL 112T 560-A-B 50K+ ROAD HAZARD
265/70R16 ATLANDER ROVERCLAW A/T OWL 112T 560-A-B 50K+ ROAD HAZARD
LT265/65R18 RBP REPULSOR A/T PLATEAU 122/119R 10PLY M+S 50K + ROAD HAZARD
P265/70R16 LEXANI LXHT-206 111T 500-A-A 55K+ ROAD HAZARD
35X12.50R18LT ATLANDER ROVERCLAW M/T I 123Q 10PLY
225/55ZR18 LEXANI LXUHP-207 102W XL 500-A-A 50K + ROAD HAZARD
275/35ZR20 COSMO MUCHOMACHO 102Y XL 300-A-A 30K + ROAD HAZARD
255/65R18 LANDSPIDER CITYTRAXX H/T 111H 480A-A 50K + ROAD HAZARD
205/40ZR17 ROYALBLACK RACINGTRAC 84W XL 420-A-A 50K + ROAD HAZARD
LT275/65R20 ROYALBLACK TERRA FORCE RTX R/T 128/125S 12PLY
315/35ZR20 PEGASUS HPX SPORT A/S 110W XL 420 AA A 50K + ROAD HAZARD
LT235/85R16 ATLANDER ROVERCLAW M/T I 120/116Q 10PLY
255/55R20 MASTERTRACK BADLANDS ATX 110V XL 620A-B 50K+ ROAD HAZARD
245/30ZR22 PEGASUS HPX SPORT A/S 92W XL 420 AA A 50K + ROAD HAZARD
11R24.5 TRAVELSTAR TD660 CS DRIVE 149/146M 16PLY
245/45ZR19 ATLANDER XSPORT-86 102W XL 420A-A 50K + ROAD HAZARD
275/55R20 TOYO PROXES ST III 117V XL BSW 500-A-A 40K
LT245/75R16 ARMSTRONG TRU-TRAC A/T 120/116S 10PLY 65K+ROAD HAZARD
LT275/65R18 ROYALBLACK MILAGEMAX LTR H/T 123/120S 10PLY
205/50ZR17 FULLRUN F6000 93W XL M+S 380A-A
265/70R16 ATLANDER ROVERCLAW A/T OWL 112T 560-A-B 50K+ ROAD HAZARD
265/70R16 ATLANDER ROVERCLAW A/T OWL 112T 560-A-B 50K+ ROAD HAZARD
LT265/65R18 RBP REPULSOR A/T PLATEAU 122/119R 10PLY M+S 50K + ROAD HAZARD
P265/70R16 LEXANI LXHT-206 111T 500-A-A 55K+ ROAD HAZARD
35X12.50R18LT ATLANDER ROVERCLAW M/T I 123Q 10PLY
225/55ZR18 LEXANI LXUHP-207 102W XL 500-A-A 50K + ROAD HAZARD
275/35ZR20 COSMO MUCHOMACHO 102Y XL 300-A-A 30K + ROAD HAZARD
255/65R18 LANDSPIDER CITYTRAXX H/T 111H 480A-A 50K + ROAD HAZARD
205/40ZR17 ROYALBLACK RACINGTRAC 84W XL 420-A-A 50K + ROAD HAZARD
LT275/65R20 ROYALBLACK TERRA FORCE RTX R/T 128/125S 12PLY
315/35ZR20 PEGASUS HPX SPORT A/S 110W XL 420 AA A 50K + ROAD HAZARD
LT235/85R16 ATLANDER ROVERCLAW M/T I 120/116Q 10PLY
255/55R20 MASTERTRACK BADLANDS ATX 110V XL 620A-B 50K+ ROAD HAZARD
245/30ZR22 PEGASUS HPX SPORT A/S 92W XL 420 AA A 50K + ROAD HAZARD
11R24.5 TRAVELSTAR TD660 CS DRIVE 149/146M 16PLY
245/45ZR19 ATLANDER XSPORT-86 102W XL 420A-A 50K + ROAD HAZARD
275/55R20 TOYO PROXES ST III 117V XL BSW 500-A-A 40K
LT245/75R16 ARMSTRONG TRU-TRAC A/T 120/116S 10PLY 65K+ROAD HAZARD