235/70R15 tire size in inches
A 235/70R15 tire measures
28.0" tall × 9.3" wide
6.48" sidewall on a 15" wheel. 722 revolutions per mile.
235/70R15 means a tire 235 mm wide, with sidewalls 70% as tall as the tire is wide (165 mm), radial construction (R), for a 15 inch wheel.
235/70R15 specs
| Overall diameter (height) | 27.95 inches (710 mm) |
|---|---|
| Section width | 9.25 inches (235 mm) |
| Sidewall height | 6.48 inches (165 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 87.8 inches (2,231 mm) |
| Revolutions per mile | 722 |
| Revolutions per kilometer | 448 |
| Approximate rim width | 6.0" to 7.5" |
| In inches (flotation style) | 28.0x9.3R15 |
| Aspect ratio | 70% |
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 235/70R15 on a 15" wheel
These 15" sizes are within 3% of 235/70R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 205/80R15 | 27.91" | 8.07" | −0.1% | 59.9 mph | Compare |
| 275/60R15 | 27.99" | 10.83" | +0.1% | 60.1 mph | Compare |
| 195/85R15 | 28.05" | 7.68" | +0.4% | 60.2 mph | Compare |
| 255/65R15 | 28.05" | 10.04" | +0.4% | 60.2 mph | Compare |
| 215/75R15 | 27.70" | 8.46" | −0.9% | 59.5 mph | Compare |
| 225/75R15 | 28.29" | 8.86" | +1.2% | 60.7 mph | Compare |
| 245/65R15 | 27.54" | 9.65" | −1.5% | 59.1 mph | Compare |
| 265/60R15 | 27.52" | 10.43" | −1.5% | 59.1 mph | Compare |
| 285/60R15 | 28.46" | 11.22" | +1.8% | 61.1 mph | Compare |
| 225/70R15 | 27.40" | 8.86" | −2.0% | 58.8 mph | Compare |
| 245/70R15 | 28.50" | 9.65" | +2.0% | 61.2 mph | Compare |
| 185/85R15 | 27.38" | 7.28" | −2.0% | 58.8 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 325/35R19 | 19" | 27.96" | 0.0% | Compare |
| 295/30R21 | 21" | 27.97" | +0.1% | Compare |
| 225/45R20 | 20" | 27.97" | +0.1% | Compare |
| 285/40R19 | 19" | 27.98" | +0.1% | Compare |
| 185/75R17 | 17" | 27.93" | −0.1% | Compare |
| 195/65R18 | 18" | 27.98" | +0.1% | Compare |
| 315/40R18 | 18" | 27.92" | −0.1% | Compare |
| 355/25R21 | 21" | 27.99" | +0.1% | Compare |
| 335/30R20 | 20" | 27.91" | −0.1% | Compare |
| 275/55R16 | 16" | 27.91" | −0.2% | Compare |
| 215/65R17 | 17" | 28.00" | +0.2% | Compare |
| 305/25R22 | 22" | 28.00" | +0.2% | Compare |
One size up or down
- 225/70R15narrower: 27.4" × 8.9"
- 245/70R15wider: 28.5" × 9.6"
- 235/65R15lower profile: 27.0" × 9.3"
- 235/75R15taller sidewall: 28.9" × 9.3"
Compare 235/70R15 with another size
Questions
- How tall is a 235/70R15 tire?
- A 235/70R15 tire is 28.0 inches tall (710 mm), calculated from the size. It is 9.3 inches wide with 6.5 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 235/70R15 mean?
- 235/70R15 means a tire 235 mm wide, with sidewalls 70% as tall as the tire is wide (165 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 235/70R15 tire make?
- About 722 revolutions per mile, based on a circumference of 87.8 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 235/70R15 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 205/80R15 instead of 235/70R15?
- 205/80R15 is −0.04 inches (−0.1%) in overall diameter, so at an indicated 60 mph you would be doing 59.9 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.