275/70R15 tire size in inches
A 275/70R15 tire measures
30.2" tall × 10.8" wide
7.58" sidewall on a 15" wheel. 669 revolutions per mile.
275/70R15 means a tire 275 mm wide, with sidewalls 70% as tall as the tire is wide (193 mm), radial construction (R), for a 15 inch wheel.
275/70R15 specs
| Overall diameter (height) | 30.16 inches (766 mm) |
|---|---|
| Section width | 10.83 inches (275 mm) |
| Sidewall height | 7.58 inches (193 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 94.7 inches (2,406 mm) |
| Revolutions per mile | 669 |
| Revolutions per kilometer | 416 |
| Approximate rim width | 7.5" to 9.0" |
| In inches (flotation style) | 30.2x10.8R15 |
| Aspect ratio | 70% |
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 275/70R15 on a 15" wheel
These 15" sizes are within 3% of 275/70R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 225/85R15 | 30.06" | 8.86" | −0.3% | 59.8 mph | Compare |
| 255/75R15 | 30.06" | 10.04" | −0.3% | 59.8 mph | Compare |
| 30x9.50R15 | 30.00" | 9.50" | −0.5% | 59.7 mph | Compare |
| 245/80R15 | 30.43" | 9.65" | +0.9% | 60.5 mph | Compare |
| 235/80R15 | 29.80" | 9.25" | −1.2% | 59.3 mph | Compare |
| 265/75R15 | 30.65" | 10.43" | +1.6% | 61.0 mph | Compare |
| 265/70R15 | 29.61" | 10.43" | −1.8% | 58.9 mph | Compare |
| 285/70R15 | 30.71" | 11.22" | +1.8% | 61.1 mph | Compare |
| 285/65R15 | 29.59" | 11.22" | −1.9% | 58.9 mph | Compare |
| 235/85R15 | 30.73" | 9.25" | +1.9% | 61.1 mph | Compare |
| 245/75R15 | 29.47" | 9.65" | −2.3% | 58.6 mph | Compare |
| 215/85R15 | 29.39" | 8.46" | −2.5% | 58.5 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 215/60R20 | 20" | 30.16" | 0.0% | Compare |
| 315/45R19 | 19" | 30.16" | 0.0% | Compare |
| 345/30R22 | 22" | 30.15" | 0.0% | Compare |
| 225/80R16 | 16" | 30.17" | +0.1% | Compare |
| 235/55R20 | 20" | 30.18" | +0.1% | Compare |
| 355/40R19 | 19" | 30.18" | +0.1% | Compare |
| 295/35R22 | 22" | 30.13" | −0.1% | Compare |
| 315/25R24 | 24" | 30.20" | +0.1% | Compare |
| 205/75R18 | 18" | 30.11" | −0.2% | Compare |
| 305/55R17 | 17" | 30.21" | +0.2% | Compare |
| 235/60R19 | 19" | 30.10" | −0.2% | Compare |
| 285/45R20 | 20" | 30.10" | −0.2% | Compare |
One size up or down
- 265/70R15narrower: 29.6" × 10.4"
- 285/70R15wider: 30.7" × 11.2"
- 275/65R15lower profile: 29.1" × 10.8"
- 275/75R15taller sidewall: 31.2" × 10.8"
Compare 275/70R15 with another size
Questions
- How tall is a 275/70R15 tire?
- A 275/70R15 tire is 30.2 inches tall (766 mm), calculated from the size. It is 10.8 inches wide with 7.6 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 275/70R15 mean?
- 275/70R15 means a tire 275 mm wide, with sidewalls 70% as tall as the tire is wide (193 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 275/70R15 tire make?
- About 669 revolutions per mile, based on a circumference of 94.7 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 275/70R15 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 225/85R15 instead of 275/70R15?
- 225/85R15 is −0.10 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.