Tires Size 275/45ZR18
Dimensions, specs, and every size 275/45ZR18 tire currently in stock
27.74"
705 mm · calculated
275 mm
10.83 inches
4.87"
123.8 mm · 45% profile
18"
457.2 mm
1 product
Showing 1 to 1 of 1 products
275/45ZR18 Specifications
Read directly from the size code. Load index, speed rating, and rim width range vary by model.
| Specification | Imperial | Metric |
|---|---|---|
| Section width | 10.83 in | 275 mm |
| Aspect ratio | 45% | — |
| 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 275/45ZR18 mean?
Reading the code on your sidewall
275 mm
The distance from sidewall to sidewall across the tire's widest point.
45% profile
The sidewall stands 45% 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.
275/45ZR18 Questions & Answers
Dimensions and fitment guidelines for size 275/45ZR18
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
255/45ZR18 ROYALBLACK RACINGTRAC 103W XL 420-A-A 50K + ROAD HAZARD
235/50R19 COSMO ROAD HUNTER 99V M+S 560A-A 60K + ROAD HAZARD
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
LT295/55R20 FORTUNE TORMENTA R/T 123/120Q 10PLY M+S 50K 80psi ***BUFFED
P265/40R21 LIONHART LH-FIVE 105Y XL BLK 320-A-A 40K + ROAD HAZARD
LT245/75R16 ARMSTRONG TRU-TRAC A/T 120/116S 10PLY 65K+ROAD HAZARD
LT265/75R16 IMPERIAL MUD CRUISER M/T 123/120Q OWL 10PLY
225/70R15C ARMSTRONG BLU-TRAC VAN 112/110R 8PLY 40K+ ROAD HAZARD
275/55R20 TOYO PROXES ST III 117V XL BSW 500-A-A 40K
LT265/75R16 FORTUNE TORMENTA H/T FRS305 M+S 123/120S 10PLY 45K
305/25R32 LEXANI LX-THIRTY 108W XL 320-A-A 30K + ROAD HAZARD dot-1120
LT265/70R17 ROADCRUZA RA3200 M/T 121/118Q 10PLY
255/40ZR18 ROADTRACK TERRENA UHP 99W XL 420-A-A 50K + ROAD HAZARD
LT265/70R16 LIONHART LIONCLAW ATX2 BLK 10PLY 40K+ ROAD HAZARD
LT295/65R20 GLADIATOR X COMP M/T 129/126 10PLY
145/70R13 ARMSTRONG BLU-TRAC PC 71T 700-A-A 85K+ ROAD HAZARD
265/70R16 COSMO EL JEFE H/T BW 112H M+S 560-A-A 55K+ROAD HAZARD
LT275/65R20 PEGASUS RTX R/T 126/123R 10PLY 40K+ ROAD HAZARD
LT275/65R18 ROYALBLACK MILAGEMAX LTR H/T 123/120S 10PLY
255/45ZR18 ROYALBLACK RACINGTRAC 103W XL 420-A-A 50K + ROAD HAZARD
235/50R19 COSMO ROAD HUNTER 99V M+S 560A-A 60K + ROAD HAZARD
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
LT295/55R20 FORTUNE TORMENTA R/T 123/120Q 10PLY M+S 50K 80psi ***BUFFED
P265/40R21 LIONHART LH-FIVE 105Y XL BLK 320-A-A 40K + ROAD HAZARD
LT245/75R16 ARMSTRONG TRU-TRAC A/T 120/116S 10PLY 65K+ROAD HAZARD
LT265/75R16 IMPERIAL MUD CRUISER M/T 123/120Q OWL 10PLY
225/70R15C ARMSTRONG BLU-TRAC VAN 112/110R 8PLY 40K+ ROAD HAZARD
275/55R20 TOYO PROXES ST III 117V XL BSW 500-A-A 40K
LT265/75R16 FORTUNE TORMENTA H/T FRS305 M+S 123/120S 10PLY 45K
305/25R32 LEXANI LX-THIRTY 108W XL 320-A-A 30K + ROAD HAZARD dot-1120
LT265/70R17 ROADCRUZA RA3200 M/T 121/118Q 10PLY
255/40ZR18 ROADTRACK TERRENA UHP 99W XL 420-A-A 50K + ROAD HAZARD
LT265/70R16 LIONHART LIONCLAW ATX2 BLK 10PLY 40K+ ROAD HAZARD
LT295/65R20 GLADIATOR X COMP M/T 129/126 10PLY
145/70R13 ARMSTRONG BLU-TRAC PC 71T 700-A-A 85K+ ROAD HAZARD
265/70R16 COSMO EL JEFE H/T BW 112H M+S 560-A-A 55K+ROAD HAZARD
LT275/65R20 PEGASUS RTX R/T 126/123R 10PLY 40K+ ROAD HAZARD