215/75R15 tire size in inches
A 215/75R15 tire measures
27.7" tall × 8.5" wide
6.35" sidewall on a 15" wheel. 728 revolutions per mile.
215/75R15 means a tire 215 mm wide, with sidewalls 75% as tall as the tire is wide (161 mm), radial construction (R), for a 15 inch wheel.
215/75R15 specs
| Overall diameter (height) | 27.70 inches (704 mm) |
|---|---|
| Section width | 8.46 inches (215 mm) |
| Sidewall height | 6.35 inches (161 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 87.0 inches (2,210 mm) |
| Revolutions per mile | 728 |
| Revolutions per kilometer | 452 |
| Approximate rim width | 5.5" to 7.0" |
| In inches (flotation style) | 27.7x8.5R15 |
| Aspect ratio | 75% |
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 215/75R15 on a 15" wheel
These 15" sizes are within 3% of 215/75R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 245/65R15 | 27.54" | 9.65" | −0.6% | 59.7 mph | Compare |
| 265/60R15 | 27.52" | 10.43" | −0.6% | 59.6 mph | Compare |
| 205/80R15 | 27.91" | 8.07" | +0.8% | 60.5 mph | Compare |
| 235/70R15 | 27.95" | 9.25" | +0.9% | 60.6 mph | Compare |
| 225/70R15 | 27.40" | 8.86" | −1.1% | 59.4 mph | Compare |
| 275/60R15 | 27.99" | 10.83" | +1.1% | 60.6 mph | Compare |
| 185/85R15 | 27.38" | 7.28" | −1.1% | 59.3 mph | Compare |
| 195/85R15 | 28.05" | 7.68" | +1.3% | 60.8 mph | Compare |
| 255/65R15 | 28.05" | 10.04" | +1.3% | 60.8 mph | Compare |
| 285/55R15 | 27.34" | 11.22" | −1.3% | 59.2 mph | Compare |
| 195/80R15 | 27.28" | 7.68" | −1.5% | 59.1 mph | Compare |
| 225/75R15 | 28.29" | 8.86" | +2.1% | 61.3 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 205/60R18 | 18" | 27.69" | 0.0% | Compare |
| 175/85R16 | 16" | 27.71" | +0.1% | Compare |
| 245/45R19 | 19" | 27.68" | −0.1% | Compare |
| 315/35R19 | 19" | 27.68" | −0.1% | Compare |
| 245/40R20 | 20" | 27.72" | +0.1% | Compare |
| 325/30R20 | 20" | 27.68" | −0.1% | Compare |
| 205/85R14 | 14" | 27.72" | +0.1% | Compare |
| 285/30R21 | 21" | 27.73" | +0.1% | Compare |
| 275/40R19 | 19" | 27.66" | −0.1% | Compare |
| 185/80R16 | 16" | 27.65" | −0.2% | Compare |
| 225/55R18 | 18" | 27.74" | +0.2% | Compare |
| 275/45R18 | 18" | 27.74" | +0.2% | Compare |
One size up or down
- 205/75R15narrower: 27.1" × 8.1"
- 225/75R15wider: 28.3" × 8.9"
- 215/70R15lower profile: 26.9" × 8.5"
- 215/80R15taller sidewall: 28.5" × 8.5"
Compare 215/75R15 with another size
Questions
- How tall is a 215/75R15 tire?
- A 215/75R15 tire is 27.7 inches tall (704 mm), calculated from the size. It is 8.5 inches wide with 6.3 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 215/75R15 mean?
- 215/75R15 means a tire 215 mm wide, with sidewalls 75% as tall as the tire is wide (161 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 215/75R15 tire make?
- About 728 revolutions per mile, based on a circumference of 87.0 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 215/75R15 tire?
- Roughly 5.5" to 7.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 245/65R15 instead of 215/75R15?
- 245/65R15 is −0.16 inches (−0.6%) in overall diameter, so at an indicated 60 mph you would be doing 59.7 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.