Tires Size 255/50R18
Dimensions, specs, and every size 255/50R18 tire currently in stock
28.04"
712 mm · calculated
255 mm
10.04 inches
5.02"
127.5 mm · 50% profile
18"
457.2 mm
5 products
In stock · Free shipping on every order
Showing 1 to 5 of 5 products
255/50R18 Specifications
Read directly from the size code. Load index, speed rating, and rim width range vary by model.
| Specification | Imperial | Metric |
|---|---|---|
| Section width | 10.04 in | 255 mm |
| Aspect ratio | 50% | — |
| Sidewall height | 5.02 in | 127.5 mm |
| Overall diameter (calculated) | 28.04 in | 712 mm |
| Wheel / rim diameter | 18 in | 457.2 mm |
| Construction | Radial | — |
What does 255/50R18 mean?
Reading the code on your sidewall
255 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 127.5 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.
255/50R18 Questions & Answers
Dimensions and fitment guidelines for size 255/50R18
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 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
185/65R15 GLADIATOR X COMP HP AS1 88H 420 A-A 60K + ROAD HAZARD
245/30ZR20 TRAVELSTAR ECOSPORT GT 90W XL 460A-A 50K+ ROAD HAZARD
P235/50R19 LIONHART LH-FIVE 103V BLK XL 320-A-A 40K + ROAD HAZARD
235/65R16C WATERFALL LT-300 121/119Q 12PLY
275/45ZR20 ROYALBLACK RACINGTRAC 110W 420-A-A 50K + ROAD HAZARD
245/45ZR17 ZEETEX HP1000 95W XL 400 A-A REINFORCED 45K + ROAD HAZARD
P225/70R16 HANKOOK DYNAPRO HP RA23 OE 101T DSB 500-A-A 50K M+S HWY
245/45ZR19 ZEETEX HP1000 102Y XL 400-A-A REINFORCED
7.50-16 AKURET HARROW TRACK F2 F3 8PLY dot-2012
LT295/65R20 GLADIATOR X COMP M/T 129/126 10PLY
215/60R17 ROYALBLACK MILAGEMAX SUV/CUV 96V 620-A-A 60K + ROAD HAZARD
205/45ZR16 ROADTRACK TERRENA UHP 98W M+S 420-A-A 50K + ROAD HAZARD
295/35ZR24 ROYALBLACK RACINGTRAC 110W 420-A-A 50K + ROAD HAZARD
LT265/70R16 ATLANDER ROVERCLAW A/T 121/118S 10PLY
235/50R19 COSMO ROAD HUNTER 99V M+S 560A-A 60K + ROAD HAZARD
255/45ZR19 ROADTRACK TERRENA UHP 104W M+S 420-A-A 50K + ROAD HAZARD
33X12.50R20LT ATLANDER ROVERCLAW M/T I 119Q ***12PLY
195/50R15 ROADTRACK TERRENA A/S 82V 560-A-A 55K + ROAD HAZARD
275/30ZR21 ROYALBLACK RACINGTRAC 102Y XL 420-A-A 50K + ROAD HAZARD
185/65R15 GLADIATOR X COMP HP AS1 88H 420 A-A 60K + ROAD HAZARD
245/30ZR20 TRAVELSTAR ECOSPORT GT 90W XL 460A-A 50K+ ROAD HAZARD
P235/50R19 LIONHART LH-FIVE 103V BLK XL 320-A-A 40K + ROAD HAZARD
235/65R16C WATERFALL LT-300 121/119Q 12PLY
275/45ZR20 ROYALBLACK RACINGTRAC 110W 420-A-A 50K + ROAD HAZARD
245/45ZR17 ZEETEX HP1000 95W XL 400 A-A REINFORCED 45K + ROAD HAZARD
P225/70R16 HANKOOK DYNAPRO HP RA23 OE 101T DSB 500-A-A 50K M+S HWY
245/45ZR19 ZEETEX HP1000 102Y XL 400-A-A REINFORCED
7.50-16 AKURET HARROW TRACK F2 F3 8PLY dot-2012
LT295/65R20 GLADIATOR X COMP M/T 129/126 10PLY
215/60R17 ROYALBLACK MILAGEMAX SUV/CUV 96V 620-A-A 60K + ROAD HAZARD
205/45ZR16 ROADTRACK TERRENA UHP 98W M+S 420-A-A 50K + ROAD HAZARD
295/35ZR24 ROYALBLACK RACINGTRAC 110W 420-A-A 50K + ROAD HAZARD
LT265/70R16 ATLANDER ROVERCLAW A/T 121/118S 10PLY
235/50R19 COSMO ROAD HUNTER 99V M+S 560A-A 60K + ROAD HAZARD
255/45ZR19 ROADTRACK TERRENA UHP 104W M+S 420-A-A 50K + ROAD HAZARD
33X12.50R20LT ATLANDER ROVERCLAW M/T I 119Q ***12PLY
195/50R15 ROADTRACK TERRENA A/S 82V 560-A-A 55K + ROAD HAZARD
275/30ZR21 ROYALBLACK RACINGTRAC 102Y XL 420-A-A 50K + ROAD HAZARD