Tires Size 245/45ZR18
Dimensions, specs, and every size 245/45ZR18 tire currently in stock
26.68"
678 mm · calculated
245 mm
9.65 inches
4.34"
110.3 mm · 45% profile
18"
457.2 mm
6 products
In stock · Free shipping on every order
In stock · Free shipping on every order
Showing 1 to 6 of 6 products
245/45ZR18 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 | 45% | — |
| Sidewall height | 4.34 in | 110.3 mm |
| Overall diameter (calculated) | 26.68 in | 678 mm |
| Wheel / rim diameter | 18 in | 457.2 mm |
| Construction | Radial | — |
What does 245/45ZR18 mean?
Reading the code on your sidewall
245 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 110.3 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.
245/45ZR18 Questions & Answers
Dimensions and fitment guidelines for size 245/45ZR18
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
235/45R17 TOYO EXTENSA HP II 97W XL 500-A-A 45K
245/30ZR22 PEGASUS HPX SPORT A/S 92W XL 420 AA A 50K + ROAD HAZARD
215/60R17 ROYALBLACK MILAGEMAX SUV/CUV 96V 620-A-A 60K + ROAD HAZARD
255/45ZR19 ROADTRACK TERRENA UHP 104W M+S 420-A-A 50K + ROAD HAZARD
205/50ZR17 FULLRUN F6000 93W XL M+S 380A-A
P235/70R16 LEXANI LXHT-206 107T 500-A-A 55K+ ROAD HAZARD
245/45ZR20 ZEETEX SU1000 103Y XL 400-A-A 35K + ROAD HAZARD
7.50-16 AKURET HARROW TRACK F2 F3 8PLY dot-2012
225/35R19 ARMSTRONG BLU-TRAC HP 88W XL M+S 340A-A 45K+ ROAD HAZARD
265/70R16 ZEETEX HT1000 112H 600-A-A 50K + ROAD HAZARD
245/30ZR20 TRAVELSTAR ECOSPORT GT 90W XL 460A-A 50K+ ROAD HAZARD
LT265/70R16 ATLANDER ROVERCLAW A/T 121/118S 10PLY
LT235/70R17 RBP REPULSOR A/T PLATEAU 120/117R 10PLY BLK 50K + ROAD HAZARD
245/45ZR20 ATLANDER XSPORT-86 103W XL 420A-A 45K + ROAD HAZARD
LT285/70R17 LANVIGATOR VALIANT A/T 126/123R 10PLY 50K + ROAD HAZAR
285/45ZR22 LANVIGATOR EXCITE 114W XL 420 A-A 50K + ROAD HAZARD
LT295/55R20 FORTUNE TORMENTA R/T 123/120Q 10PLY M+S 50K 80psi ***BUFFED
ST235/85R16 FORTUNE ST01 125/121M 10PLY 80psi 3640/3200
275/30ZR21 ROYALBLACK RACINGTRAC 102Y XL 420-A-A 50K + ROAD HAZARD
235/45R17 TOYO EXTENSA HP II 97W XL 500-A-A 45K
245/30ZR22 PEGASUS HPX SPORT A/S 92W XL 420 AA A 50K + ROAD HAZARD
215/60R17 ROYALBLACK MILAGEMAX SUV/CUV 96V 620-A-A 60K + ROAD HAZARD
255/45ZR19 ROADTRACK TERRENA UHP 104W M+S 420-A-A 50K + ROAD HAZARD
205/50ZR17 FULLRUN F6000 93W XL M+S 380A-A
P235/70R16 LEXANI LXHT-206 107T 500-A-A 55K+ ROAD HAZARD
245/45ZR20 ZEETEX SU1000 103Y XL 400-A-A 35K + ROAD HAZARD
7.50-16 AKURET HARROW TRACK F2 F3 8PLY dot-2012
225/35R19 ARMSTRONG BLU-TRAC HP 88W XL M+S 340A-A 45K+ ROAD HAZARD
265/70R16 ZEETEX HT1000 112H 600-A-A 50K + ROAD HAZARD
245/30ZR20 TRAVELSTAR ECOSPORT GT 90W XL 460A-A 50K+ ROAD HAZARD
LT265/70R16 ATLANDER ROVERCLAW A/T 121/118S 10PLY
LT235/70R17 RBP REPULSOR A/T PLATEAU 120/117R 10PLY BLK 50K + ROAD HAZARD
245/45ZR20 ATLANDER XSPORT-86 103W XL 420A-A 45K + ROAD HAZARD
LT285/70R17 LANVIGATOR VALIANT A/T 126/123R 10PLY 50K + ROAD HAZAR
285/45ZR22 LANVIGATOR EXCITE 114W XL 420 A-A 50K + ROAD HAZARD
LT295/55R20 FORTUNE TORMENTA R/T 123/120Q 10PLY M+S 50K 80psi ***BUFFED
ST235/85R16 FORTUNE ST01 125/121M 10PLY 80psi 3640/3200
275/30ZR21 ROYALBLACK RACINGTRAC 102Y XL 420-A-A 50K + ROAD HAZARD