235/75R15 tire size
A 235/75R15 tire is 235 mm wide with a sidewall 75% of its width (176.2 mm), fits a 15-inch rim and has an overall diameter of 734 mm (28.9 in).
| Dimension | Metric | Imperial |
|---|---|---|
| Section width | 235 mm | 9.25 in |
| Sidewall height | 176.2 mm | 6.94 in |
| Rim diameter | 381.0 mm | 15 in |
| Overall diameter | 733.5 mm | 28.88 in |
| Circumference | 2,304.4 mm | 90.72 in |
| Revolutions | 434 per km | 698 per mile |
Reading the size 235/75R15
235Width in mm75Aspect ratio (sidewall % of width)RRadial construction15Rim diameter in inches
The load index and speed rating (for example 91V) follow the size on the sidewall. Replacement tires should match or exceed the original load index and speed rating.
Alternative sizes within 3% of 235/75R15
A replacement size should stay within about 3% of the original diameter so the speedometer, ABS and transmission stay accurate. Always check clearance, load index and the vehicle manufacturer's approved sizes.
| Size | Diameter | Difference | Speedo reads 100 → actual | |
|---|---|---|---|---|
| 235/70R16 | 735 mm | +0.3% | 100.3 | Compare |
| 225/55R19 | 730 mm | -0.5% | 99.5 | Compare |
| 235/65R17 | 737 mm | +0.5% | 100.5 | Compare |
| 255/45R20 | 738 mm | +0.5% | 100.5 | Compare |
| 255/50R19 | 738 mm | +0.6% | 100.6 | Compare |
| 255/55R18 | 738 mm | +0.6% | 100.6 | Compare |
| 245/45R20 | 728 mm | -0.7% | 99.3 | Compare |
| 275/40R20 | 728 mm | -0.7% | 99.3 | Compare |
Compare 235/75R15 with any size →