265/75R15 tire size
265/75R15 is a metric size: 30.6" tall, 10.4" wide, on a 15" rim — about a 30.5x10.50R15. The sidewall is 7.8" and the tire turns 658 times per mile.
265/75R15 specs
| Overall diameter (height) | 30.65" · 779 mm |
|---|---|
| Section width | 10.43" · 265 mm |
| Sidewall height | 7.82" · 199 mm (75% of width) |
| Rim diameter | 15" |
| Circumference | 96.29" · 2.446 m |
| Revolutions per mile | 658 (409 per km) |
| Inch (flotation) equivalent | 30.5x10.50R15 |
Equivalent sizes on a 15" rim
Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 31x10.50R15 common | 31.00" | +1.14% | +2 mm | 60.7 mph | calculate → |
| 30x9.50R15 | 30.00" | -2.12% | -24 mm | 58.7 mph | calculate → |
| 32x11.50R15 | 32.00" | +4.41% | +27 mm | 62.6 mph | calculate → |
| 265/70R15 | 29.61" | -3.40% | 0 mm | 58.0 mph | calculate → |
| 31x12.50R15 | 31.00" | +1.14% | +53 mm | 60.7 mph | calculate → |
| 295/65R15 | 30.10" | -1.80% | +30 mm | 58.9 mph | calculate → |
| 30x11.50R15 | 30.00" | -2.12% | +27 mm | 58.7 mph | calculate → |
| 31x11.50R15 | 31.00" | +1.14% | +27 mm | 60.7 mph | calculate → |
| 31x11.00R15 | 31.00" | +1.14% | +14 mm | 60.7 mph | calculate → |
| 31x13.50R15 | 31.00" | +1.14% | +78 mm | 60.7 mph | calculate → |
| 31x13.00R15 | 31.00" | +1.14% | +65 mm | 60.7 mph | calculate → |
| 31x16.50R15 | 31.00" | +1.14% | +154 mm | 60.7 mph | calculate → |
| 31x16.00R15 | 31.00" | +1.14% | +141 mm | 60.7 mph | calculate → |
| 31x18.00R15 | 31.00" | +1.14% | +192 mm | 60.7 mph | calculate → |
| 31x9.50R15 | 31.00" | +1.14% | -24 mm | 60.7 mph | calculate → |
| 255/75R15 | 30.06" | -1.93% | -10 mm | 58.8 mph | calculate → |
| 30x10.50R15 | 30.00" | -2.12% | +2 mm | 58.7 mph | calculate → |
| 30x10.00R15 | 30.00" | -2.12% | -11 mm | 58.7 mph | calculate → |
| 30x12.00R15 | 30.00" | -2.12% | +40 mm | 58.7 mph | calculate → |
| 30x9.00R15 | 30.00" | -2.12% | -36 mm | 58.7 mph | calculate → |
| 29.5x10.50R15 | 29.50" | -3.75% | +2 mm | 57.7 mph | calculate → |
| 29.5x11.50R15 | 29.50" | -3.75% | +27 mm | 57.7 mph | calculate → |
| 29.5x13.50R15 | 29.50" | -3.75% | +78 mm | 57.7 mph | calculate → |
| 29.5x9.00R15 | 29.50" | -3.75% | -36 mm | 57.7 mph | calculate → |
| 215/85R15 | 29.39" | -4.11% | -50 mm | 57.5 mph | calculate → |
| 32x10.50R15 | 32.00" | +4.41% | +2 mm | 62.6 mph | calculate → |
| 32x10.00R15 | 32.00" | +4.41% | -11 mm | 62.6 mph | calculate → |
| 32x14.00R15 | 32.00" | +4.41% | +91 mm | 62.6 mph | calculate → |
| 32x16.00R15 | 32.00" | +4.41% | +141 mm | 62.6 mph | calculate → |
| 32x17.50R15 | 32.00" | +4.41% | +180 mm | 62.6 mph | calculate → |
| 32x9.50R15 | 32.00" | +4.41% | -24 mm | 62.6 mph | calculate → |
| 31x14.50R15 | 31.00" | +1.14% | +103 mm | 60.7 mph | calculate → |
| 31x18.50R15 | 31.00" | +1.14% | +205 mm | 60.7 mph | calculate → |
| 30x12.50R15 | 30.00" | -2.12% | +53 mm | 58.7 mph | calculate → |
| 30x13.50R15 | 30.00" | -2.12% | +78 mm | 58.7 mph | calculate → |
| 30x7.00R15 | 30.00" | -2.12% | -87 mm | 58.7 mph | calculate → |
| 315/60R15 | 29.88" | -2.50% | +50 mm | 58.5 mph | calculate → |
| 32x18.50R15 | 32.00" | +4.41% | +205 mm | 62.6 mph | calculate → |
Plus / minus sizing: 14" and 16" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 245/75R16 common | 30.47" | -0.59% | -20 mm | 59.6 mph | calculate → |
| 265/70R16 common | 30.61" | -0.14% | 0 mm | 59.9 mph | calculate → |
| 215/85R16 common | 30.39" | -0.85% | -50 mm | 59.5 mph | calculate → |
| 235/80R16 | 30.80" | +0.50% | -30 mm | 60.3 mph | calculate → |
| 285/65R16 | 30.59" | -0.21% | +20 mm | 59.9 mph | calculate → |
Try another size against 265/75R15
Questions
What size is 265/75R15 in inches?
265/75R15 is about 30.6" tall and 10.4" wide on a 15-inch rim — roughly a 30.5x10.50R15 in inch sizing.
What does 265/75R15 mean?
265 mm section width, sidewall 75% of the width (7.82"), radial construction, 15-inch rim.
What tire sizes are equivalent to 265/75R15?
On the same 15" rim, within 3% of the diameter: 31x10.50R15 (+1.14%), 31x11.50R15 (+1.14%), 31x11.00R15 (+1.14%), 31x12.50R15 (+1.14%), 31x13.50R15 (+1.14%), 31x13.00R15 (+1.14%).
How many revolutions per mile does a 265/75R15 tire make?
About 658 revolutions per mile (circumference 96.3").
How these numbers are computed
Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.