205/50R15 tire size in inches
A 205/50R15 tire measures
23.1" tall × 8.1" wide
4.04" sidewall on a 15" wheel. 874 revolutions per mile.
205/50R15 means a tire 205 mm wide, with sidewalls 50% as tall as the tire is wide (102 mm), radial construction (R), for a 15 inch wheel.
205/50R15 specs
| Overall diameter (height) | 23.07 inches (586 mm) |
|---|---|
| Section width | 8.07 inches (205 mm) |
| Sidewall height | 4.04 inches (102 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 72.5 inches (1,841 mm) |
| Revolutions per mile | 874 |
| Revolutions per kilometer | 543 |
| Approximate rim width | 6.0" to 7.5" |
| In inches (flotation style) | 23.1x8.1R15 |
| 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 205/50R15 on a 15" wheel
These 15" sizes are within 3% of 205/50R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 185/55R15 | 23.01" | 7.28" | −0.3% | 59.8 mph | Compare |
| 225/45R15 | 22.97" | 8.86" | −0.4% | 59.7 mph | Compare |
| 175/60R15 | 23.27" | 6.89" | +0.9% | 60.5 mph | Compare |
| 235/45R15 | 23.33" | 9.25" | +1.1% | 60.7 mph | Compare |
| 165/60R15 | 22.80" | 6.50" | −1.2% | 59.3 mph | Compare |
| 165/65R15 | 23.44" | 6.50" | +1.6% | 61.0 mph | Compare |
| 195/55R15 | 23.44" | 7.68" | +1.6% | 61.0 mph | Compare |
| 195/50R15 | 22.68" | 7.68" | −1.7% | 59.0 mph | Compare |
| 215/50R15 | 23.46" | 8.46" | +1.7% | 61.0 mph | Compare |
| 215/45R15 | 22.62" | 8.46" | −2.0% | 58.8 mph | Compare |
| 175/55R15 | 22.58" | 6.89" | −2.1% | 58.7 mph | Compare |
| 245/45R15 | 23.68" | 9.65" | +2.6% | 61.6 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 225/40R16 | 16" | 23.09" | +0.1% | Compare |
| 165/70R14 | 14" | 23.09" | +0.1% | Compare |
| 205/25R19 | 19" | 23.04" | −0.2% | Compare |
| 195/40R17 | 17" | 23.14" | +0.3% | Compare |
| 155/75R14 | 14" | 23.15" | +0.4% | Compare |
| 215/60R13 | 13" | 23.16" | +0.4% | Compare |
| 195/65R13 | 13" | 22.98" | −0.4% | Compare |
| 175/65R14 | 14" | 22.96" | −0.5% | Compare |
| 185/70R13 | 13" | 23.20" | +0.5% | Compare |
| 225/35R17 | 17" | 23.20" | +0.6% | Compare |
| 195/60R14 | 14" | 23.21" | +0.6% | Compare |
| 215/35R17 | 17" | 22.93" | −0.6% | Compare |
One size up or down
- 195/50R15narrower: 22.7" × 7.7"
- 215/50R15wider: 23.5" × 8.5"
- 205/45R15lower profile: 22.3" × 8.1"
- 205/55R15taller sidewall: 23.9" × 8.1"
Compare 205/50R15 with another size
Questions
- How tall is a 205/50R15 tire?
- A 205/50R15 tire is 23.1 inches tall (586 mm), calculated from the size. It is 8.1 inches wide with 4.0 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 205/50R15 mean?
- 205/50R15 means a tire 205 mm wide, with sidewalls 50% as tall as the tire is wide (102 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 205/50R15 tire make?
- About 874 revolutions per mile, based on a circumference of 72.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 205/50R15 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 185/55R15 instead of 205/50R15?
- 185/55R15 is −0.06 inches (−0.3%) in overall diameter, so at an indicated 60 mph you would be doing 59.8 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.