275/55R15 tire size in inches
A 275/55R15 tire measures
26.9" tall × 10.8" wide
5.95" sidewall on a 15" wheel. 749 revolutions per mile.
275/55R15 means a tire 275 mm wide, with sidewalls 55% as tall as the tire is wide (151 mm), radial construction (R), for a 15 inch wheel.
275/55R15 specs
| Overall diameter (height) | 26.91 inches (684 mm) |
|---|---|
| Section width | 10.83 inches (275 mm) |
| Sidewall height | 5.95 inches (151 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 84.5 inches (2,147 mm) |
| Revolutions per mile | 749 |
| Revolutions per kilometer | 466 |
| Approximate rim width | 8.0" to 9.5" |
| In inches (flotation style) | 26.9x10.8R15 |
| 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 275/55R15 on a 15" wheel
These 15" sizes are within 3% of 275/55R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 215/70R15 | 26.85" | 8.46" | −0.2% | 59.9 mph | Compare |
| 235/65R15 | 27.03" | 9.25" | +0.4% | 60.3 mph | Compare |
| 255/60R15 | 27.05" | 10.04" | +0.5% | 60.3 mph | Compare |
| 175/85R15 | 26.71" | 6.89" | −0.7% | 59.6 mph | Compare |
| 205/75R15 | 27.11" | 8.07" | +0.7% | 60.4 mph | Compare |
| 185/80R15 | 26.65" | 7.28" | −1.0% | 59.4 mph | Compare |
| 245/60R15 | 26.57" | 9.65" | −1.2% | 59.3 mph | Compare |
| 195/80R15 | 27.28" | 7.68" | +1.4% | 60.8 mph | Compare |
| 195/75R15 | 26.52" | 7.68" | −1.5% | 59.1 mph | Compare |
| 225/65R15 | 26.52" | 8.86" | −1.5% | 59.1 mph | Compare |
| 265/55R15 | 26.48" | 10.43" | −1.6% | 59.0 mph | Compare |
| 285/55R15 | 27.34" | 11.22" | +1.6% | 61.0 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 205/80R14 | 14" | 26.91" | 0.0% | Compare |
| 335/30R19 | 19" | 26.91" | 0.0% | Compare |
| 315/40R17 | 17" | 26.92" | 0.0% | Compare |
| 185/75R16 | 16" | 26.93" | +0.1% | Compare |
| 205/55R18 | 18" | 26.88" | −0.1% | Compare |
| 235/75R13 | 13" | 26.88" | −0.1% | Compare |
| 235/70R14 | 14" | 26.95" | +0.2% | Compare |
| 325/35R18 | 18" | 26.96" | +0.2% | Compare |
| 225/50R18 | 18" | 26.86" | −0.2% | Compare |
| 285/35R19 | 19" | 26.85" | −0.2% | Compare |
| 295/30R20 | 20" | 26.97" | +0.2% | Compare |
| 225/45R19 | 19" | 26.97" | +0.2% | Compare |
One size up or down
- 265/55R15narrower: 26.5" × 10.4"
- 285/55R15wider: 27.3" × 11.2"
- 275/50R15lower profile: 25.8" × 10.8"
- 275/60R15taller sidewall: 28.0" × 10.8"
Compare 275/55R15 with another size
Questions
- How tall is a 275/55R15 tire?
- A 275/55R15 tire is 26.9 inches tall (684 mm), calculated from the size. It is 10.8 inches wide with 6.0 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 275/55R15 mean?
- 275/55R15 means a tire 275 mm wide, with sidewalls 55% as tall as the tire is wide (151 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 275/55R15 tire make?
- About 749 revolutions per mile, based on a circumference of 84.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 275/55R15 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 215/70R15 instead of 275/55R15?
- 215/70R15 is −0.06 inches (−0.2%) in overall diameter, so at an indicated 60 mph you would be doing 59.9 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.