275/65R15 tire size in inches
A 275/65R15 tire measures
29.1" tall × 10.8" wide
7.04" sidewall on a 15" wheel. 694 revolutions per mile.
275/65R15 means a tire 275 mm wide, with sidewalls 65% as tall as the tire is wide (179 mm), radial construction (R), for a 15 inch wheel.
275/65R15 specs
| Overall diameter (height) | 29.07 inches (739 mm) |
|---|---|
| Section width | 10.83 inches (275 mm) |
| Sidewall height | 7.04 inches (179 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 91.3 inches (2,320 mm) |
| Revolutions per mile | 694 |
| Revolutions per kilometer | 431 |
| Approximate rim width | 7.5" to 9.0" |
| In inches (flotation style) | 29.1x10.8R15 |
| Aspect ratio | 65% |
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 275/65R15 on a 15" wheel
These 15" sizes are within 3% of 275/65R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 255/70R15 | 29.06" | 10.04" | −0.1% | 60.0 mph | Compare |
| 225/80R15 | 29.17" | 8.86" | +0.3% | 60.2 mph | Compare |
| 235/75R15 | 28.88" | 9.25" | −0.7% | 59.6 mph | Compare |
| 215/85R15 | 29.39" | 8.46" | +1.1% | 60.6 mph | Compare |
| 205/85R15 | 28.72" | 8.07" | −1.2% | 59.3 mph | Compare |
| 245/75R15 | 29.47" | 9.65" | +1.4% | 60.8 mph | Compare |
| 265/65R15 | 28.56" | 10.43" | −1.8% | 58.9 mph | Compare |
| 285/65R15 | 29.59" | 11.22" | +1.8% | 61.1 mph | Compare |
| 215/80R15 | 28.54" | 8.46" | −1.8% | 58.9 mph | Compare |
| 265/70R15 | 29.61" | 10.43" | +1.8% | 61.1 mph | Compare |
| 245/70R15 | 28.50" | 9.65" | −2.0% | 58.8 mph | Compare |
| 285/60R15 | 28.46" | 11.22" | −2.1% | 58.7 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 225/85R14 | 14" | 29.06" | −0.1% | Compare |
| 255/75R14 | 14" | 29.06" | −0.1% | Compare |
| 195/85R16 | 16" | 29.05" | −0.1% | Compare |
| 255/65R16 | 16" | 29.05" | −0.1% | Compare |
| 285/45R19 | 19" | 29.10" | +0.1% | Compare |
| 235/60R18 | 18" | 29.10" | +0.1% | Compare |
| 255/60R17 | 17" | 29.05" | −0.1% | Compare |
| 205/75R17 | 17" | 29.11" | +0.1% | Compare |
| 255/55R18 | 18" | 29.04" | −0.1% | Compare |
| 255/50R19 | 19" | 29.04" | −0.1% | Compare |
| 255/45R20 | 20" | 29.04" | −0.1% | Compare |
| 255/40R21 | 21" | 29.03" | −0.1% | Compare |
One size up or down
- 265/65R15narrower: 28.6" × 10.4"
- 285/65R15wider: 29.6" × 11.2"
- 275/60R15lower profile: 28.0" × 10.8"
- 275/70R15taller sidewall: 30.2" × 10.8"
Compare 275/65R15 with another size
Questions
- How tall is a 275/65R15 tire?
- A 275/65R15 tire is 29.1 inches tall (739 mm), calculated from the size. It is 10.8 inches wide with 7.0 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 275/65R15 mean?
- 275/65R15 means a tire 275 mm wide, with sidewalls 65% as tall as the tire is wide (179 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 275/65R15 tire make?
- About 694 revolutions per mile, based on a circumference of 91.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 275/65R15 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 255/70R15 instead of 275/65R15?
- 255/70R15 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.