32x11.50R15 tire size in inches
A 32x11.50R15 tire measures
32.0" tall × 11.5" wide
8.50" sidewall on a 15" wheel. 630 revolutions per mile.
32x11.50R15 is a flotation (inch) size: 32 inches tall, 11.50 inches wide, for a 15 inch wheel. The R means radial construction.
32x11.50R15 specs
| Overall diameter (height) | 32.00 inches (813 mm) |
|---|---|
| Section width | 11.50 inches (292 mm) |
| Sidewall height | 8.50 inches (216 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 100.5 inches (2,553 mm) |
| Revolutions per mile | 630 |
| Revolutions per kilometer | 392 |
| Approximate rim width | 7.5" to 10.0" |
| Aspect ratio (equivalent) | 74% |
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 32x11.50R15 on a 15" wheel
These 15" sizes are within 3% of 32x11.50R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 255/85R15 | 32.07" | 10.04" | +0.2% | 60.1 mph | Compare |
| 285/75R15 | 31.83" | 11.22" | −0.5% | 59.7 mph | Compare |
| 265/80R15 | 31.69" | 10.43" | −1.0% | 59.4 mph | Compare |
| 275/80R15 | 32.32" | 10.83" | +1.0% | 60.6 mph | Compare |
| 245/85R15 | 31.40" | 9.65" | −1.9% | 58.9 mph | Compare |
| 265/85R15 | 32.74" | 10.43" | +2.3% | 61.4 mph | Compare |
| 275/75R15 | 31.24" | 10.83" | −2.4% | 58.6 mph | Compare |
| 255/80R15 | 31.06" | 10.04" | −2.9% | 58.2 mph | Compare |
| 285/80R15 | 32.95" | 11.22" | +3.0% | 61.8 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 275/60R19 | 19" | 31.99" | 0.0% | Compare |
| 305/50R20 | 20" | 32.01" | 0.0% | Compare |
| 235/65R20 | 20" | 32.03" | +0.1% | Compare |
| 255/40R24 | 24" | 32.03" | +0.1% | Compare |
| 255/50R22 | 22" | 32.04" | +0.1% | Compare |
| 255/55R21 | 21" | 32.04" | +0.1% | Compare |
| 255/60R20 | 20" | 32.05" | +0.1% | Compare |
| 255/65R19 | 19" | 32.05" | +0.2% | Compare |
| 255/70R18 | 18" | 32.06" | +0.2% | Compare |
| 255/75R17 | 17" | 32.06" | +0.2% | Compare |
| 255/80R16 | 16" | 32.06" | +0.2% | Compare |
| 295/60R18 | 18" | 31.94" | −0.2% | Compare |
Compare 32x11.50R15 with another size
Questions
- How tall is a 32x11.50R15 tire?
- A 32x11.50R15 tire is 32.0 inches tall (813 mm), calculated from the size. It is 11.5 inches wide with 8.5 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 32x11.50R15 mean?
- 32x11.50R15 is a flotation (inch) size: 32 inches tall, 11.50 inches wide, for a 15 inch wheel. The R means radial construction.
- How many revolutions per mile does a 32x11.50R15 tire make?
- About 630 revolutions per mile, based on a circumference of 100.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 32x11.50R15 tire?
- Roughly 7.5" to 10.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 255/85R15 instead of 32x11.50R15?
- 255/85R15 is +0.07 inches (+0.2%) in overall diameter, so at an indicated 60 mph you would be doing 60.1 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.