275/80R15 tire size in inches
A 275/80R15 tire measures
32.3" tall × 10.8" wide
8.66" sidewall on a 15" wheel. 624 revolutions per mile.
275/80R15 means a tire 275 mm wide, with sidewalls 80% as tall as the tire is wide (220 mm), radial construction (R), for a 15 inch wheel.
275/80R15 specs
| Overall diameter (height) | 32.32 inches (821 mm) |
|---|---|
| Section width | 10.83 inches (275 mm) |
| Sidewall height | 8.66 inches (220 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 101.5 inches (2,579 mm) |
| Revolutions per mile | 624 |
| Revolutions per kilometer | 388 |
| Approximate rim width | 7.5" to 9.0" |
| In inches (flotation style) | 32.3x10.8R15 |
| 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 275/80R15 on a 15" wheel
These 15" sizes are within 3% of 275/80R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 255/85R15 | 32.07" | 10.04" | −0.8% | 59.5 mph | Compare |
| 32x11.50R15 | 32.00" | 11.50" | −1.0% | 59.4 mph | Compare |
| 265/85R15 | 32.74" | 10.43" | +1.3% | 60.8 mph | Compare |
| 285/75R15 | 31.83" | 11.22" | −1.5% | 59.1 mph | Compare |
| 265/80R15 | 31.69" | 10.43" | −1.9% | 58.8 mph | Compare |
| 285/80R15 | 32.95" | 11.22" | +1.9% | 61.2 mph | Compare |
| 33x12.50R15 | 33.00" | 12.50" | +2.1% | 61.3 mph | Compare |
| 245/85R15 | 31.40" | 9.65" | −2.9% | 58.3 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 285/55R20 | 20" | 32.34" | +0.1% | Compare |
| 265/40R24 | 24" | 32.35" | +0.1% | Compare |
| 295/70R16 | 16" | 32.26" | −0.2% | Compare |
| 355/30R24 | 24" | 32.39" | +0.2% | Compare |
| 245/85R16 | 16" | 32.40" | +0.2% | Compare |
| 315/50R20 | 20" | 32.40" | +0.2% | Compare |
| 275/75R16 | 16" | 32.24" | −0.3% | Compare |
| 305/35R24 | 24" | 32.41" | +0.3% | Compare |
| 325/40R22 | 22" | 32.24" | −0.3% | Compare |
| 305/60R18 | 18" | 32.41" | +0.3% | Compare |
| 345/45R20 | 20" | 32.22" | −0.3% | Compare |
| 285/50R21 | 21" | 32.22" | −0.3% | Compare |
One size up or down
- 265/80R15narrower: 31.7" × 10.4"
- 285/80R15wider: 33.0" × 11.2"
- 275/75R15lower profile: 31.2" × 10.8"
- 275/85R15taller sidewall: 33.4" × 10.8"
Compare 275/80R15 with another size
Questions
- How tall is a 275/80R15 tire?
- A 275/80R15 tire is 32.3 inches tall (821 mm), calculated from the size. It is 10.8 inches wide with 8.7 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 275/80R15 mean?
- 275/80R15 means a tire 275 mm wide, with sidewalls 80% as tall as the tire is wide (220 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 275/80R15 tire make?
- About 624 revolutions per mile, based on a circumference of 101.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 275/80R15 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 255/85R15 instead of 275/80R15?
- 255/85R15 is −0.26 inches (−0.8%) in overall diameter, so at an indicated 60 mph you would be doing 59.5 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.