Tires Size 235/40ZR18
Dimensions, specs, and every size 235/40ZR18 tire currently in stock
25.4"
645 mm · calculated
235 mm
9.25 inches
3.7"
94 mm · 40% profile
18"
457.2 mm
Showing 1 to 10 of 15 products
235/40ZR18 Specifications
Read directly from the size code. Load index, speed rating, and rim width range vary by model.
| Specification | Imperial | Metric |
|---|---|---|
| Section width | 9.25 in | 235 mm |
| Aspect ratio | 40% | — |
| Sidewall height | 3.7 in | 94 mm |
| Overall diameter (calculated) | 25.4 in | 645 mm |
| Wheel / rim diameter | 18 in | 457.2 mm |
| Construction | Radial | — |
What does 235/40ZR18 mean?
Reading the code on your sidewall
235 mm
The distance from sidewall to sidewall across the tire's widest point.
40% profile
The sidewall stands 40% of the section width, which is 94 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.
235/40ZR18 Questions & Answers
Dimensions and fitment guidelines for size 235/40ZR18
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215/40ZR18 ROADTRACK TERRENA UHP 89W XL 420-A-A 50K + ROAD HAZARD
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Armstrong Tru-trac H/T III LT235/80R17
265/70R16 TOYO OPEN COUNTRY HTII 112T BW 740AB 70K
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275/55R20 TOYO PROXES ST III 117V XL BSW 500-A-A 40K
235/35ZR20 ZENNA ARGUS UHP 88Y 420-AA-A 30K
235/40ZR19 ZENNA ARGUS UHP 98Y XL M+S 420-AA-A 50K+ ROAD HAZARD
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33X12.50R22 RBP REPULSOR M/T 3 BSW 114Q 12PLY 80psi
LT265/70R16 ROYALHUNTER ROYALTRAX A/T 121/118S 10PLY
275/65R18 ROYALBLACK MILAGEMAX SUV CUV 116H 620-A-A 60K + ROAD HAZARD
305/25R32 LEXANI LX-THIRTY 108W XL 320-A-A 30K + ROAD HAZARD dot-1120
215/40ZR18 ROADTRACK TERRENA UHP 89W XL 420-A-A 50K + ROAD HAZARD
285/35ZR19 ROADTRACK TERRENA UHP 103Y M+S 420-A-A 50K + ROAD HAZARD
LT265/70R16 ATLANDER ROVERCLAW A/T 121/118S 10PLY
275/45ZR20 ROYALBLACK RACINGTRAC 110W 420-A-A 50K + ROAD HAZARD
205/50ZR17 FULLRUN F6000 93W XL M+S 380A-A
265/70R16 ZETA CONSENSO H/T 112H 500A-A M+S 40K+ ROAD HAZARD
305/35ZR20 ROADTRACK TERRENA UHP 107Y XL 420-A-A 50K + ROAD HAZARD
LT285/60R20 LEXANI LXHT-206 125/122S 10PLY+ ROAD HAZARD
Armstrong Tru-trac H/T III LT235/80R17
265/70R16 TOYO OPEN COUNTRY HTII 112T BW 740AB 70K
275/35ZR20 COSMO MUCHOMACHO 102Y XL 300-A-A 30K + ROAD HAZARD
P265/70R16 LEXANI LXHT-206 111T 500-A-A 55K+ ROAD HAZARD
275/55R20 TOYO PROXES ST III 117V XL BSW 500-A-A 40K
235/35ZR20 ZENNA ARGUS UHP 88Y 420-AA-A 30K
235/40ZR19 ZENNA ARGUS UHP 98Y XL M+S 420-AA-A 50K+ ROAD HAZARD
235/55ZR19 ROADTRACK TERRENA UHP 105W M+S 420-A-A 50K + ROAD HAZARD
33X12.50R22 RBP REPULSOR M/T 3 BSW 114Q 12PLY 80psi
LT265/70R16 ROYALHUNTER ROYALTRAX A/T 121/118S 10PLY
275/65R18 ROYALBLACK MILAGEMAX SUV CUV 116H 620-A-A 60K + ROAD HAZARD
305/25R32 LEXANI LX-THIRTY 108W XL 320-A-A 30K + ROAD HAZARD dot-1120