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265/60R18 Tire Size: 30.5" Tall, a 31-Inch Tire

Straight answer

A 265/60R18 stands 30.5 inches tall and 10.4 inches wide on a 18-inch wheel, which makes it a 31-inch tire in truck-speak. NTW stocks 12 tire models in this size right now.

30.5" tall10.4" wide18" wheel661 revs/mile

265/60R18 dimensions

Overall diameter

30.52"

Section width

10.43"

Sidewall height

6.26"

Wheel diameter

18"

Circumference

95.9"

Revolutions per mile

661

≈ 30.5x10.4R18 flotation. Nominal math; real tires run a few tenths off depending on brand, load range, rim width, and air pressure.

What 265/60R18 means

  • 265Section width: 265 mm (10.4") wall to wall
  • 60Aspect ratio: sidewall is 60% of the width, so 6.3" tall
  • RRadial construction
  • 18Fits a 18-inch wheel

Want the full rundown on sidewall codes, load index, and speed rating? Read how to read a tire size.

265/60R18 compared to nearby 18-inch sizes

Speedometer column assumes your truck is calibrated for 265/60R18 and reads 65 mph.

SizeHeightvs 265/60R18Width changeActual speedCompare
265/65R1831.6"+1.0" (+3.4%)0.0"67.2 mphFull comparison
255/70R1832.1"+1.5" (+5.0%)-0.4"68.3 mphFull comparison
275/65R1832.1"+1.6" (+5.1%)+0.4"68.3 mphFull comparison
285/65R1832.6"+2.1" (+6.8%)+0.8"69.4 mphFull comparison
265/70R1832.6"+2.1" (+6.8%)0.0"69.4 mphFull comparison

Rule of thumb: inside 3% of stock diameter feels stock; past 8 to 10% and most owners budget for a re-gear. Run your exact numbers in the tire size calculator.

Trucks that come with 265/60R18

Tires in stock in 265/60R18

12 models, 16 SKUs at NTW (different load ranges and sidewall styles). Refreshed daily.

TireTypeOptionsFrom
Bfgoodrich Trail-Terrain T/A+All Terrain2$255
Mickey Thompson Baja Boss ATAll Terrain2$301
Nitto Terra Grappler G3All Terrain2$288
Toyo Open Country A/T IIIAll Terrain2$309
Bfgoodrich All-Terrain T/A KO3All Terrain1$315
Falken Rubitrek A/TAll Terrain1$232
Falken Wildpeak A/T4WAll Terrain1$300
Mickey Thompson Baja Legend EXPAll Terrain1$288
Nitto Nomad Grappler ATAll Terrain1$248
Nitto Ridge GrapplerAll Terrain1$303
Toyo Open Country C/TAll Terrain1$230
Toyo Open Country H/T IIAll Terrain1$237

Prices per tire at NTW when last checked; confirm at checkout.

Frequently Asked Questions

How tall is a 265/60R18 tire in inches?+

A 265/60R18 is 30.52 inches tall and 10.43 inches wide, with a 6.26-inch sidewall on a 18-inch wheel. Real mounted tires vary a few tenths of an inch by brand, load range, and rim width.

Is 265/60R18 a 31-inch tire?+

Close enough that everybody calls it one. It measures 30.5 inches, so it's sold and talked about as a 31. The flotation equivalent is 30.5x10.4R18.

What does 265/60R18 mean?+

265/60R18 means a tire 265 millimeters wide with a sidewall 60% as tall as it is wide, built for a 18-inch wheel.

265/60R18 vs 265/65R18: how much bigger?+

265/65R18 is 1.0 inches taller (3.4%) and 0.0 inches wider. Going from 265/60R18 to 265/65R18, a speedometer reading 65 mph means you're actually doing 67.2.

Looking for another size? See the full truck tire size chart.