285/80R15 tire size in inches
A 285/80R15 tire measures
33.0" tall × 11.2" wide
8.98" sidewall on a 15" wheel. 612 revolutions per mile.
285/80R15 means a tire 285 mm wide, with sidewalls 80% as tall as the tire is wide (228 mm), radial construction (R), for a 15 inch wheel.
285/80R15 specs
| Overall diameter (height) | 32.95 inches (837 mm) |
|---|---|
| Section width | 11.22 inches (285 mm) |
| Sidewall height | 8.98 inches (228 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 103.5 inches (2,630 mm) |
| Revolutions per mile | 612 |
| Revolutions per kilometer | 380 |
| Approximate rim width | 7.5" to 9.0" |
| In inches (flotation style) | 33.0x11.2R15 |
| 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 285/80R15 on a 15" wheel
These 15" sizes are within 3% of 285/80R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 33x12.50R15 | 33.00" | 12.50" | +0.1% | 60.1 mph | Compare |
| 265/85R15 | 32.74" | 10.43" | −0.7% | 59.6 mph | Compare |
| 275/85R15 | 33.41" | 10.83" | +1.4% | 60.8 mph | Compare |
| 275/80R15 | 32.32" | 10.83" | −1.9% | 58.9 mph | Compare |
| 255/85R15 | 32.07" | 10.04" | −2.7% | 58.4 mph | Compare |
| 32x11.50R15 | 32.00" | 11.50" | −2.9% | 58.3 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 325/35R24 | 24" | 32.96" | 0.0% | Compare |
| 295/60R19 | 19" | 32.94" | 0.0% | Compare |
| 285/40R24 | 24" | 32.98" | +0.1% | Compare |
| 355/50R19 | 19" | 32.98" | +0.1% | Compare |
| 275/60R20 | 20" | 32.99" | +0.1% | Compare |
| 275/55R21 | 21" | 32.91" | −0.1% | Compare |
| 33x12.50R16 | 16" | 33.00" | +0.1% | Compare |
| 33x12.50R17 | 17" | 33.00" | +0.1% | Compare |
| 33x12.50R18 | 18" | 33.00" | +0.1% | Compare |
| 33x12.50R20 | 20" | 33.00" | +0.1% | Compare |
| 33x12.50R22 | 22" | 33.00" | +0.1% | Compare |
| 305/50R21 | 21" | 33.01" | +0.2% | Compare |
One size up or down
- 275/80R15narrower: 32.3" × 10.8"
- 285/75R15lower profile: 31.8" × 11.2"
- 285/85R15taller sidewall: 34.1" × 11.2"
Compare 285/80R15 with another size
Questions
- How tall is a 285/80R15 tire?
- A 285/80R15 tire is 33.0 inches tall (837 mm), calculated from the size. It is 11.2 inches wide with 9.0 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 285/80R15 mean?
- 285/80R15 means a tire 285 mm wide, with sidewalls 80% as tall as the tire is wide (228 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 285/80R15 tire make?
- About 612 revolutions per mile, based on a circumference of 103.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 285/80R15 tire?
- Roughly 7.5" to 9.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 33x12.50R15 instead of 285/80R15?
- 33x12.50R15 is +0.05 inches (+0.1%) 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.