235/75R15 tire size in inches
A 235/75R15 tire measures
28.9" tall × 9.3" wide
6.94" sidewall on a 15" wheel. 698 revolutions per mile.
235/75R15 means a tire 235 mm wide, with sidewalls 75% as tall as the tire is wide (176 mm), radial construction (R), for a 15 inch wheel.
235/75R15 specs
| Overall diameter (height) | 28.88 inches (733 mm) |
|---|---|
| Section width | 9.25 inches (235 mm) |
| Sidewall height | 6.94 inches (176 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 90.7 inches (2,304 mm) |
| Revolutions per mile | 698 |
| Revolutions per kilometer | 434 |
| Approximate rim width | 6.0" to 7.5" |
| In inches (flotation style) | 28.9x9.3R15 |
| Aspect ratio | 75% |
Calculated from the size. Real tires differ by brand, model and tread depth, typically by a few tenths of an inch.
Sizes that can replace 235/75R15 on a 15" wheel
These 15" sizes are within 3% of 235/75R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 205/85R15 | 28.72" | 8.07" | −0.5% | 59.7 mph | Compare |
| 255/70R15 | 29.06" | 10.04" | +0.6% | 60.4 mph | Compare |
| 275/65R15 | 29.07" | 10.83" | +0.7% | 60.4 mph | Compare |
| 225/80R15 | 29.17" | 8.86" | +1.0% | 60.6 mph | Compare |
| 265/65R15 | 28.56" | 10.43" | −1.1% | 59.3 mph | Compare |
| 215/80R15 | 28.54" | 8.46" | −1.2% | 59.3 mph | Compare |
| 245/70R15 | 28.50" | 9.65" | −1.3% | 59.2 mph | Compare |
| 285/60R15 | 28.46" | 11.22" | −1.4% | 59.1 mph | Compare |
| 215/85R15 | 29.39" | 8.46" | +1.8% | 61.1 mph | Compare |
| 225/75R15 | 28.29" | 8.86" | −2.0% | 58.8 mph | Compare |
| 245/75R15 | 29.47" | 9.65" | +2.0% | 61.2 mph | Compare |
| 285/65R15 | 29.59" | 11.22" | +2.5% | 61.5 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 225/50R20 | 20" | 28.86" | −0.1% | Compare |
| 285/35R21 | 21" | 28.85" | −0.1% | Compare |
| 215/70R17 | 17" | 28.85" | −0.1% | Compare |
| 275/55R17 | 17" | 28.91" | +0.1% | Compare |
| 205/80R16 | 16" | 28.91" | +0.1% | Compare |
| 335/30R21 | 21" | 28.91" | +0.1% | Compare |
| 315/40R19 | 19" | 28.92" | +0.1% | Compare |
| 275/50R18 | 18" | 28.83" | −0.2% | Compare |
| 305/45R18 | 18" | 28.81" | −0.2% | Compare |
| 235/80R14 | 14" | 28.80" | −0.3% | Compare |
| 235/70R16 | 16" | 28.95" | +0.3% | Compare |
| 325/35R20 | 20" | 28.96" | +0.3% | Compare |
One size up or down
- 225/75R15narrower: 28.3" × 8.9"
- 245/75R15wider: 29.5" × 9.6"
- 235/70R15lower profile: 28.0" × 9.3"
- 235/80R15taller sidewall: 29.8" × 9.3"
Compare 235/75R15 with another size
Questions
- How tall is a 235/75R15 tire?
- A 235/75R15 tire is 28.9 inches tall (733 mm), calculated from the size. It is 9.3 inches wide with 6.9 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 235/75R15 mean?
- 235/75R15 means a tire 235 mm wide, with sidewalls 75% as tall as the tire is wide (176 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 235/75R15 tire make?
- About 698 revolutions per mile, based on a circumference of 90.7 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 235/75R15 tire?
- Roughly 6.0" to 7.5". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 205/85R15 instead of 235/75R15?
- 205/85R15 is −0.16 inches (−0.5%) in overall diameter, so at an indicated 60 mph you would be doing 59.7 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.