215/60R18 tire size in inches
A 215/60R18 tire measures
28.2" tall × 8.5" wide
5.08" sidewall on a 18" wheel. 716 revolutions per mile.
215/60R18 means a tire 215 mm wide, with sidewalls 60% as tall as the tire is wide (129 mm), radial construction (R), for a 18 inch wheel.
215/60R18 specs
| Overall diameter (height) | 28.16 inches (715 mm) |
|---|---|
| Section width | 8.46 inches (215 mm) |
| Sidewall height | 5.08 inches (129 mm) |
| Wheel (rim) diameter | 18 inches |
| Circumference | 88.5 inches (2,247 mm) |
| Revolutions per mile | 716 |
| Revolutions per kilometer | 445 |
| Approximate rim width | 5.5" to 7.0" |
| In inches (flotation style) | 28.2x8.5R18 |
| Aspect ratio | 60% |
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 215/60R18 on a 18" wheel
These 18" sizes are within 3% of 215/60R18's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 235/55R18 | 28.18" | 9.25" | +0.1% | 60.0 mph | Compare |
| 285/45R18 | 28.10" | 11.22" | −0.2% | 59.9 mph | Compare |
| 325/40R18 | 28.24" | 12.80" | +0.3% | 60.2 mph | Compare |
| 255/50R18 | 28.04" | 10.04" | −0.4% | 59.7 mph | Compare |
| 195/65R18 | 27.98" | 7.68" | −0.6% | 59.6 mph | Compare |
| 315/40R18 | 27.92" | 12.40" | −0.8% | 59.5 mph | Compare |
| 265/50R18 | 28.43" | 10.43" | +1.0% | 60.6 mph | Compare |
| 295/45R18 | 28.45" | 11.61" | +1.0% | 60.6 mph | Compare |
| 205/65R18 | 28.49" | 8.07" | +1.2% | 60.7 mph | Compare |
| 335/40R18 | 28.55" | 13.19" | +1.4% | 60.8 mph | Compare |
| 225/55R18 | 27.74" | 8.86" | −1.5% | 59.1 mph | Compare |
| 275/45R18 | 27.74" | 10.83" | −1.5% | 59.1 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 315/45R17 | 17" | 28.16" | 0.0% | Compare |
| 345/30R20 | 20" | 28.15" | 0.0% | Compare |
| 225/80R14 | 14" | 28.17" | +0.1% | Compare |
| 295/35R20 | 20" | 28.13" | −0.1% | Compare |
| 315/25R22 | 22" | 28.20" | +0.2% | Compare |
| 305/30R21 | 21" | 28.20" | +0.2% | Compare |
| 205/75R16 | 16" | 28.11" | −0.2% | Compare |
| 235/60R17 | 17" | 28.10" | −0.2% | Compare |
| 285/50R17 | 17" | 28.22" | +0.2% | Compare |
| 225/40R21 | 21" | 28.09" | −0.3% | Compare |
| 335/35R19 | 19" | 28.23" | +0.3% | Compare |
| 235/50R19 | 19" | 28.25" | +0.3% | Compare |
One size up or down
- 205/60R18narrower: 27.7" × 8.1"
- 225/60R18wider: 28.6" × 8.9"
- 215/55R18lower profile: 27.3" × 8.5"
- 215/65R18taller sidewall: 29.0" × 8.5"
Compare 215/60R18 with another size
Questions
- How tall is a 215/60R18 tire?
- A 215/60R18 tire is 28.2 inches tall (715 mm), calculated from the size. It is 8.5 inches wide with 5.1 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 215/60R18 mean?
- 215/60R18 means a tire 215 mm wide, with sidewalls 60% as tall as the tire is wide (129 mm), radial construction (R), for a 18 inch wheel.
- How many revolutions per mile does a 215/60R18 tire make?
- About 716 revolutions per mile, based on a circumference of 88.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 215/60R18 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 235/55R18 instead of 215/60R18?
- 235/55R18 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.