205/55R15 tire size in inches
A 205/55R15 tire measures
23.9" tall × 8.1" wide
4.44" sidewall on a 15" wheel. 845 revolutions per mile.
205/55R15 means a tire 205 mm wide, with sidewalls 55% as tall as the tire is wide (113 mm), radial construction (R), for a 15 inch wheel.
205/55R15 specs
| Overall diameter (height) | 23.88 inches (607 mm) |
|---|---|
| Section width | 8.07 inches (205 mm) |
| Sidewall height | 4.44 inches (113 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 75.0 inches (1,905 mm) |
| Revolutions per mile | 845 |
| Revolutions per kilometer | 525 |
| Approximate rim width | 6.0" to 7.5" |
| In inches (flotation style) | 23.9x8.1R15 |
| Aspect ratio | 55% |
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 205/55R15 on a 15" wheel
These 15" sizes are within 3% of 205/55R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 225/50R15 | 23.86" | 8.86" | −0.1% | 60.0 mph | Compare |
| 175/65R15 | 23.96" | 6.89" | +0.3% | 60.2 mph | Compare |
| 185/60R15 | 23.74" | 7.28" | −0.6% | 59.7 mph | Compare |
| 255/45R15 | 24.04" | 10.04" | +0.7% | 60.4 mph | Compare |
| 245/45R15 | 23.68" | 9.65" | −0.8% | 59.5 mph | Compare |
| 165/70R15 | 24.09" | 6.50" | +0.9% | 60.5 mph | Compare |
| 195/60R15 | 24.21" | 7.68" | +1.4% | 60.8 mph | Compare |
| 235/50R15 | 24.25" | 9.25" | +1.6% | 60.9 mph | Compare |
| 215/50R15 | 23.46" | 8.46" | −1.7% | 59.0 mph | Compare |
| 165/65R15 | 23.44" | 6.50" | −1.8% | 58.9 mph | Compare |
| 195/55R15 | 23.44" | 7.68" | −1.8% | 58.9 mph | Compare |
| 215/55R15 | 24.31" | 8.46" | +1.8% | 61.1 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 195/45R17 | 17" | 23.91" | +0.1% | Compare |
| 205/30R19 | 19" | 23.84" | −0.1% | Compare |
| 215/35R18 | 18" | 23.93" | +0.2% | Compare |
| 185/75R13 | 13" | 23.93" | +0.2% | Compare |
| 245/25R19 | 19" | 23.82" | −0.2% | Compare |
| 225/45R16 | 16" | 23.97" | +0.4% | Compare |
| 195/65R14 | 14" | 23.98" | +0.4% | Compare |
| 215/40R17 | 17" | 23.77" | −0.4% | Compare |
| 155/80R14 | 14" | 23.76" | −0.5% | Compare |
| 215/65R13 | 13" | 24.00" | +0.5% | Compare |
| 245/35R17 | 17" | 23.75" | −0.5% | Compare |
| 195/70R13 | 13" | 23.75" | −0.5% | Compare |
One size up or down
- 195/55R15narrower: 23.4" × 7.7"
- 215/55R15wider: 24.3" × 8.5"
- 205/50R15lower profile: 23.1" × 8.1"
- 205/60R15taller sidewall: 24.7" × 8.1"
Compare 205/55R15 with another size
Questions
- How tall is a 205/55R15 tire?
- A 205/55R15 tire is 23.9 inches tall (607 mm), calculated from the size. It is 8.1 inches wide with 4.4 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 205/55R15 mean?
- 205/55R15 means a tire 205 mm wide, with sidewalls 55% as tall as the tire is wide (113 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 205/55R15 tire make?
- About 845 revolutions per mile, based on a circumference of 75.0 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 205/55R15 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 225/50R15 instead of 205/55R15?
- 225/50R15 is −0.02 inches (−0.1%) in overall diameter, so at an indicated 60 mph you would be doing 60.0 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.