235/80R15 tire size in inches
A 235/80R15 tire measures
29.8" tall × 9.3" wide
7.40" sidewall on a 15" wheel. 677 revolutions per mile.
235/80R15 means a tire 235 mm wide, with sidewalls 80% as tall as the tire is wide (188 mm), radial construction (R), for a 15 inch wheel.
235/80R15 specs
| Overall diameter (height) | 29.80 inches (757 mm) |
|---|---|
| Section width | 9.25 inches (235 mm) |
| Sidewall height | 7.40 inches (188 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 93.6 inches (2,378 mm) |
| Revolutions per mile | 677 |
| Revolutions per kilometer | 420 |
| Approximate rim width | 6.0" to 7.5" |
| In inches (flotation style) | 29.8x9.3R15 |
| Aspect ratio | 80% |
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 235/80R15 on a 15" wheel
These 15" sizes are within 3% of 235/80R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 30x9.50R15 | 30.00" | 9.50" | +0.7% | 60.4 mph | Compare |
| 265/70R15 | 29.61" | 10.43" | −0.7% | 59.6 mph | Compare |
| 285/65R15 | 29.59" | 11.22" | −0.7% | 59.6 mph | Compare |
| 225/85R15 | 30.06" | 8.86" | +0.9% | 60.5 mph | Compare |
| 255/75R15 | 30.06" | 10.04" | +0.9% | 60.5 mph | Compare |
| 245/75R15 | 29.47" | 9.65" | −1.1% | 59.3 mph | Compare |
| 275/70R15 | 30.16" | 10.83" | +1.2% | 60.7 mph | Compare |
| 215/85R15 | 29.39" | 8.46" | −1.4% | 59.2 mph | Compare |
| 225/80R15 | 29.17" | 8.86" | −2.1% | 58.7 mph | Compare |
| 245/80R15 | 30.43" | 9.65" | +2.1% | 61.3 mph | Compare |
| 275/65R15 | 29.07" | 10.83" | −2.4% | 58.5 mph | Compare |
| 255/70R15 | 29.06" | 10.04" | −2.5% | 58.5 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 295/25R24 | 24" | 29.81" | 0.0% | Compare |
| 305/45R19 | 19" | 29.81" | 0.0% | Compare |
| 355/35R20 | 20" | 29.78" | −0.1% | Compare |
| 275/50R19 | 19" | 29.83" | +0.1% | Compare |
| 295/55R17 | 17" | 29.78" | −0.1% | Compare |
| 215/70R18 | 18" | 29.85" | +0.2% | Compare |
| 285/35R22 | 22" | 29.85" | +0.2% | Compare |
| 225/50R21 | 21" | 29.86" | +0.2% | Compare |
| 225/55R20 | 20" | 29.74" | −0.2% | Compare |
| 275/45R20 | 20" | 29.74" | −0.2% | Compare |
| 345/40R19 | 19" | 29.87" | +0.2% | Compare |
| 335/45R18 | 18" | 29.87" | +0.2% | Compare |
One size up or down
- 225/80R15narrower: 29.2" × 8.9"
- 245/80R15wider: 30.4" × 9.6"
- 235/75R15lower profile: 28.9" × 9.3"
- 235/85R15taller sidewall: 30.7" × 9.3"
Compare 235/80R15 with another size
Questions
- How tall is a 235/80R15 tire?
- A 235/80R15 tire is 29.8 inches tall (757 mm), calculated from the size. It is 9.3 inches wide with 7.4 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 235/80R15 mean?
- 235/80R15 means a tire 235 mm wide, with sidewalls 80% as tall as the tire is wide (188 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 235/80R15 tire make?
- About 677 revolutions per mile, based on a circumference of 93.6 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 235/80R15 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 30x9.50R15 instead of 235/80R15?
- 30x9.50R15 is +0.20 inches (+0.7%) in overall diameter, so at an indicated 60 mph you would be doing 60.4 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.