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265/60R18 tire size in inches
265/60R18 is 30.52" tall and 10.43" wide, and fits a 18" rim. In flotation (inch) sizing that is roughly 30.5x10.4R18.
265/60R18 dimensions
| Measurement | Inches | Metric |
|---|---|---|
| Overall diameter (height) | 30.52" | 775 mm |
| Section width | 10.43" | 265 mm |
| Sidewall height | 6.26" | 159.0 mm |
| Rim diameter | 18" | 457.2 mm |
| Circumference | 95.9" | 2435 mm |
| Revolutions per mile | 661 | |
| Aspect ratio | 60% (sidewall is 60% of the width) | |
Drawn to scale
Among the 122 sizes for 18" wheels on this site, 265/60R18 is #59 by height (shortest: 245/35R18, tallest: 340/80R18).
What people compare 265/60R18 with
Real comparisons drivers search for, worked out against 265/60R18:
| Compared size | Height | Width | Sidewall | Speedo at true 60 |
|---|---|---|---|---|
| 265/65R18 | +1.04" (+3.41%) | 0.00" | +0.52" | 58 mph |
| 275/65R18 | +1.55" (+5.08%) | +0.40" | +0.78" | 57.1 mph |
| 245/60R18 | -0.95" (-3.11%) | -0.78" | -0.47" | 61.9 mph |
| 265/70R18 | +2.09" (+6.85%) | 0.00" | +1.04" | 56.2 mph |
| 255/65R18 | +0.53" (+1.74%) | -0.39" | +0.27" | 59 mph |
| 275/70R18 | +2.64" (+8.65%) | +0.40" | +1.32" | 55.2 mph |
| 255/70R18 | +1.54" (+5.05%) | -0.39" | +0.77" | 57.1 mph |
| 265/70R17 | +1.09" (+3.57%) | 0.00" | +1.04" | 57.9 mph |
How the 265/60R18 numbers are worked out
The size code reads as 265 mm section width, 60% aspect ratio, R for radial construction and 18-inch wheel.
- Sidewall = 265 × 60% = 159.0 mm = 6.26"
- Diameter = 18" + 2 × 6.26" = 30.52"
- Circumference = π × 30.52" = 95.9"
- Revs per mile = 63,360" ÷ 95.9" = 661
Sizes that can replace 265/60R18 on a 18" wheel
Within 3% of 30.52". Last column: speedometer reading at a true 60 mph.
| Size | Diameter | Width | Difference | Speedo at true 60 mph |
|---|---|---|---|---|
| 245/65R18 | 30.54" | 9.65" | +0.07% | 60 mph |
| 225/70R18 | 30.40" | 8.86" | -0.39% | 60.2 mph |
| 285/55R18 | 30.34" | 11.22" | -0.59% | 60.4 mph |
| 260/60R18 | 30.28" | 10.24" | -0.79% | 60.5 mph |
| 295/55R18 | 30.78" | 11.61" | +0.85% | 59.5 mph |
| 235/70R18 | 30.95" | 9.25" | +1.41% | 59.2 mph |
| 275/60R18 | 30.99" | 10.83" | +1.54% | 59.1 mph |
| 255/60R18 | 30.05" | 10.04" | -1.54% | 60.9 mph |
| 235/65R18 | 30.03" | 9.25" | -1.61% | 61 mph |
| 305/50R18 | 30.01" | 12.01" | -1.67% | 61 mph |
| 255/65R18 | 31.05" | 10.04" | +1.74% | 59 mph |
| 275/55R18 | 29.91" | 10.83" | -2% | 61.2 mph |
One size wider or narrower
- Narrower: 255/60R18 — 10.04" wide, 30.05" tall
- Wider: 275/60R18 — 10.83" wide, 30.99" tall
Same height on a different wheel size
- 255/80R14 14" (-1.51%)
- 265/75R15 15" (+0.43%)
- 325/60R15 15" (-0.56%)
- 285/70R15 15" (+0.62%)
- 235/85R15 15" (+0.69%)
- 275/70R15 15" (-1.18%)
- 295/65R15 15" (-1.38%)
- 255/75R15 15" (-1.51%)
- 255/80R15 15" (+1.77%)
- 245/75R16 16" (-0.16%)
Questions about 265/60R18
How tall is a 265/60R18 tire in inches?
A 265/60R18 tire is 30.52 inches (775 mm) tall: the 18-inch rim plus two sidewalls of 6.26 inches each.
Is 265/60R18 a 31 inch tire?
Yes. At 30.52 inches tall it is commonly called a 31-inch tire.
How many revolutions per mile does a 265/60R18 make?
About 661 revolutions per mile, based on a calculated circumference of 95.9 inches.
What size can replace 265/60R18?
245/65R18 is the closest match on a 18" rim (+0.07% height). Check load index, speed rating and clearance first.
Compare 265/60R18 against any other size with the tire size calculator.