195/60R18 tire size in inches
A 195/60R18 tire measures
27.2" tall × 7.7" wide
4.61" sidewall on a 18" wheel. 741 revolutions per mile.
195/60R18 means a tire 195 mm wide, with sidewalls 60% as tall as the tire is wide (117 mm), radial construction (R), for a 18 inch wheel.
195/60R18 specs
| Overall diameter (height) | 27.21 inches (691 mm) |
|---|---|
| Section width | 7.68 inches (195 mm) |
| Sidewall height | 4.61 inches (117 mm) |
| Wheel (rim) diameter | 18 inches |
| Circumference | 85.5 inches (2,171 mm) |
| Revolutions per mile | 741 |
| Revolutions per kilometer | 461 |
| Approximate rim width | 5.0" to 6.5" |
| In inches (flotation style) | 27.2x7.7R18 |
| 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 195/60R18 on a 18" wheel
These 18" sizes are within 3% of 195/60R18's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 335/35R18 | 27.23" | 13.19" | +0.1% | 60.0 mph | Compare |
| 235/50R18 | 27.25" | 9.25" | +0.1% | 60.1 mph | Compare |
| 295/40R18 | 27.29" | 11.61" | +0.3% | 60.2 mph | Compare |
| 215/55R18 | 27.31" | 8.46" | +0.4% | 60.2 mph | Compare |
| 265/45R18 | 27.39" | 10.43" | +0.7% | 60.4 mph | Compare |
| 255/45R18 | 27.04" | 10.04" | −0.7% | 59.6 mph | Compare |
| 285/40R18 | 26.98" | 11.22" | −0.9% | 59.5 mph | Compare |
| 325/35R18 | 26.96" | 12.80" | −0.9% | 59.4 mph | Compare |
| 205/55R18 | 26.88" | 8.07" | −1.2% | 59.3 mph | Compare |
| 225/50R18 | 26.86" | 8.86" | −1.3% | 59.2 mph | Compare |
| 305/40R18 | 27.61" | 12.01" | +1.4% | 60.9 mph | Compare |
| 245/50R18 | 27.65" | 9.65" | +1.6% | 61.0 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 265/25R22 | 22" | 27.22" | 0.0% | Compare |
| 285/50R16 | 16" | 27.22" | 0.0% | Compare |
| 305/30R20 | 20" | 27.20" | 0.0% | Compare |
| 225/35R21 | 21" | 27.20" | 0.0% | Compare |
| 315/25R21 | 21" | 27.20" | 0.0% | Compare |
| 185/70R17 | 17" | 27.20" | −0.1% | Compare |
| 235/55R17 | 17" | 27.18" | −0.1% | Compare |
| 225/80R13 | 13" | 27.17" | −0.1% | Compare |
| 265/30R21 | 21" | 27.26" | +0.2% | Compare |
| 215/60R17 | 17" | 27.16" | −0.2% | Compare |
| 345/30R19 | 19" | 27.15" | −0.2% | Compare |
| 195/80R15 | 15" | 27.28" | +0.3% | Compare |
One size up or down
- 205/60R18wider: 27.7" × 8.1"
- 195/55R18lower profile: 26.4" × 7.7"
- 195/65R18taller sidewall: 28.0" × 7.7"
Compare 195/60R18 with another size
Questions
- How tall is a 195/60R18 tire?
- A 195/60R18 tire is 27.2 inches tall (691 mm), calculated from the size. It is 7.7 inches wide with 4.6 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 195/60R18 mean?
- 195/60R18 means a tire 195 mm wide, with sidewalls 60% as tall as the tire is wide (117 mm), radial construction (R), for a 18 inch wheel.
- How many revolutions per mile does a 195/60R18 tire make?
- About 741 revolutions per mile, based on a circumference of 85.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 195/60R18 tire?
- Roughly 5.0" to 6.5". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 335/35R18 instead of 195/60R18?
- 335/35R18 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.