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265/75R15 tire size in inches
265/75R15 is 30.65" tall and 10.43" wide, and fits a 15" rim. In flotation (inch) sizing that is roughly 30.6x10.4R15.
265/75R15 dimensions
| Measurement | Inches | Metric |
|---|---|---|
| Overall diameter (height) | 30.65" | 779 mm |
| Section width | 10.43" | 265 mm |
| Sidewall height | 7.82" | 198.8 mm |
| Rim diameter | 15" | 381.0 mm |
| Circumference | 96.3" | 2446 mm |
| Revolutions per mile | 658 | |
| Aspect ratio | 75% (sidewall is 75% of the width) | |
Drawn to scale
Among the 86 sizes for 15" wheels on this site, 265/75R15 is #70 by height (shortest: 195/50R15, tallest: 325/75R15).
What people compare 265/75R15 with
Real comparisons drivers search for, worked out against 265/75R15:
| Compared size | Height | Width | Sidewall | Speedo at true 60 |
|---|---|---|---|---|
| 235/75R15 | -1.77" (-5.77%) | -1.18" | -0.88" | 63.7 mph |
| 265/70R15 | -1.04" (-3.39%) | 0.00" | -0.52" | 62.1 mph |
265/75R15 against the most popular 15" sizes
| Popular size | Height | Width | Sidewall | Speedo at true 60 |
|---|---|---|---|---|
| 215/75R15 | -2.95" (-9.62%) | -1.97" | -1.47" | 66.4 mph |
| 225/75R15 | -2.36" (-7.7%) | -1.57" | -1.18" | 65 mph |
| 205/75R15 | -3.54" (-11.55%) | -2.36" | -1.77" | 67.8 mph |
| 275/60R15 | -2.66" (-8.68%) | +0.40" | -1.32" | 65.7 mph |
| 225/70R15 | -3.25" (-10.6%) | -1.57" | -1.62" | 67.1 mph |
How the 265/75R15 numbers are worked out
The size code reads as 265 mm section width, 75% aspect ratio, R for radial construction and 15-inch wheel.
- Sidewall = 265 × 75% = 198.8 mm = 7.82"
- Diameter = 15" + 2 × 7.82" = 30.65"
- Circumference = π × 30.65" = 96.3"
- Revs per mile = 63,360" ÷ 96.3" = 658
Sizes that can replace 265/75R15 on a 15" wheel
Within 3% of 30.65". Last column: speedometer reading at a true 60 mph.
| Size | Diameter | Width | Difference | Speedo at true 60 mph |
|---|---|---|---|---|
| 285/70R15 | 30.71" | 11.22" | +0.2% | 59.9 mph |
| 235/85R15 | 30.73" | 9.25" | +0.26% | 59.8 mph |
| 325/60R15 | 30.35" | 12.80" | -0.98% | 60.6 mph |
| 255/80R15 | 31.06" | 10.04" | +1.34% | 59.2 mph |
| 275/70R15 | 30.16" | 10.83" | -1.6% | 61 mph |
| 295/65R15 | 30.10" | 11.61" | -1.79% | 61.1 mph |
| 255/75R15 | 30.06" | 10.04" | -1.92% | 61.2 mph |
| 275/75R15 | 31.24" | 10.83" | +1.92% | 58.9 mph |
| 295/70R15 | 31.26" | 11.61" | +1.99% | 58.8 mph |
| 245/85R15 | 31.40" | 9.65" | +2.45% | 58.6 mph |
| 315/60R15 | 29.88" | 12.40" | -2.51% | 61.5 mph |
| 235/80R15 | 29.80" | 9.25" | -2.77% | 61.7 mph |
One size wider or narrower
- Narrower: 255/75R15 — 10.04" wide, 30.06" tall
- Wider: 275/75R15 — 10.83" wide, 31.24" tall
Same height on a different wheel size
- 255/80R14 14" (-1.92%)
- 265/70R16 16" (-0.13%)
- 285/65R16 16" (-0.2%)
- 235/80R16 16" (+0.49%)
- 245/75R16 16" (-0.59%)
- 270/70R16 16" (+0.75%)
- 305/60R16 16" (-0.78%)
- 215/85R16 16" (-0.85%)
- 260/70R16 16" (-1.04%)
- 255/75R16 16" (+1.34%)
Questions about 265/75R15
How tall is a 265/75R15 tire in inches?
A 265/75R15 tire is 30.65 inches (779 mm) tall: the 15-inch rim plus two sidewalls of 7.82 inches each.
Is 265/75R15 a 31 inch tire?
Yes. At 30.65 inches tall it is commonly called a 31-inch tire.
How many revolutions per mile does a 265/75R15 make?
About 658 revolutions per mile, based on a calculated circumference of 96.3 inches.
What size can replace 265/75R15?
285/70R15 is the closest match on a 15" rim (+0.2% height). Check load index, speed rating and clearance first.
Compare 265/75R15 against any other size with the tire size calculator.