285/50R15 tire size in inches
A 285/50R15 tire measures
26.2" tall × 11.2" wide
5.61" sidewall on a 15" wheel. 769 revolutions per mile.
285/50R15 means a tire 285 mm wide, with sidewalls 50% as tall as the tire is wide (143 mm), radial construction (R), for a 15 inch wheel.
285/50R15 specs
| Overall diameter (height) | 26.22 inches (666 mm) |
|---|---|
| Section width | 11.22 inches (285 mm) |
| Sidewall height | 5.61 inches (143 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 82.4 inches (2,092 mm) |
| Revolutions per mile | 769 |
| Revolutions per kilometer | 478 |
| Approximate rim width | 8.0" to 9.5" |
| In inches (flotation style) | 26.2x11.2R15 |
| Aspect ratio | 50% |
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 285/50R15 on a 15" wheel
These 15" sizes are within 3% of 285/50R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 205/70R15 | 26.30" | 8.07" | +0.3% | 60.2 mph | Compare |
| 235/60R15 | 26.10" | 9.25" | −0.5% | 59.7 mph | Compare |
| 165/85R15 | 26.04" | 6.50" | −0.7% | 59.6 mph | Compare |
| 255/55R15 | 26.04" | 10.04" | −0.7% | 59.6 mph | Compare |
| 175/80R15 | 26.02" | 6.89" | −0.8% | 59.5 mph | Compare |
| 215/65R15 | 26.00" | 8.46" | −0.8% | 59.5 mph | Compare |
| 265/55R15 | 26.48" | 10.43" | +1.0% | 60.6 mph | Compare |
| 185/75R15 | 25.93" | 7.28" | −1.1% | 59.3 mph | Compare |
| 195/75R15 | 26.52" | 7.68" | +1.1% | 60.7 mph | Compare |
| 225/65R15 | 26.52" | 8.86" | +1.1% | 60.7 mph | Compare |
| 245/60R15 | 26.57" | 9.65" | +1.4% | 60.8 mph | Compare |
| 275/50R15 | 25.83" | 10.83" | −1.5% | 59.1 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 265/25R21 | 21" | 26.22" | 0.0% | Compare |
| 195/60R17 | 17" | 26.21" | 0.0% | Compare |
| 305/30R19 | 19" | 26.20" | −0.1% | Compare |
| 225/35R20 | 20" | 26.20" | −0.1% | Compare |
| 315/25R20 | 20" | 26.20" | −0.1% | Compare |
| 185/70R16 | 16" | 26.20" | −0.1% | Compare |
| 235/50R17 | 17" | 26.25" | +0.1% | Compare |
| 265/30R20 | 20" | 26.26" | +0.2% | Compare |
| 235/55R16 | 16" | 26.18" | −0.2% | Compare |
| 205/45R19 | 19" | 26.26" | +0.2% | Compare |
| 195/80R14 | 14" | 26.28" | +0.2% | Compare |
| 215/60R16 | 16" | 26.16" | −0.2% | Compare |
One size up or down
- 275/50R15narrower: 25.8" × 10.8"
- 285/45R15lower profile: 25.1" × 11.2"
- 285/55R15taller sidewall: 27.3" × 11.2"
Compare 285/50R15 with another size
Questions
- How tall is a 285/50R15 tire?
- A 285/50R15 tire is 26.2 inches tall (666 mm), calculated from the size. It is 11.2 inches wide with 5.6 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 285/50R15 mean?
- 285/50R15 means a tire 285 mm wide, with sidewalls 50% as tall as the tire is wide (143 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 285/50R15 tire make?
- About 769 revolutions per mile, based on a circumference of 82.4 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 285/50R15 tire?
- Roughly 8.0" to 9.5". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 205/70R15 instead of 285/50R15?
- 205/70R15 is +0.08 inches (+0.3%) in overall diameter, so at an indicated 60 mph you would be doing 60.2 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.