185/60R15 tire size in inches
A 185/60R15 tire measures
23.7" tall × 7.3" wide
4.37" sidewall on a 15" wheel. 850 revolutions per mile.
185/60R15 means a tire 185 mm wide, with sidewalls 60% as tall as the tire is wide (111 mm), radial construction (R), for a 15 inch wheel.
185/60R15 specs
| Overall diameter (height) | 23.74 inches (603 mm) |
|---|---|
| Section width | 7.28 inches (185 mm) |
| Sidewall height | 4.37 inches (111 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 74.6 inches (1,894 mm) |
| Revolutions per mile | 850 |
| Revolutions per kilometer | 528 |
| Approximate rim width | 5.0" to 6.5" |
| In inches (flotation style) | 23.7x7.3R15 |
| 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 185/60R15 on a 15" wheel
These 15" sizes are within 3% of 185/60R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 245/45R15 | 23.68" | 9.65" | −0.2% | 59.9 mph | Compare |
| 225/50R15 | 23.86" | 8.86" | +0.5% | 60.3 mph | Compare |
| 205/55R15 | 23.88" | 8.07" | +0.6% | 60.3 mph | Compare |
| 175/65R15 | 23.96" | 6.89" | +0.9% | 60.5 mph | Compare |
| 215/50R15 | 23.46" | 8.46" | −1.2% | 59.3 mph | Compare |
| 255/45R15 | 24.04" | 10.04" | +1.2% | 60.7 mph | Compare |
| 165/65R15 | 23.44" | 6.50" | −1.2% | 59.3 mph | Compare |
| 195/55R15 | 23.44" | 7.68" | −1.2% | 59.3 mph | Compare |
| 165/70R15 | 24.09" | 6.50" | +1.5% | 60.9 mph | Compare |
| 235/45R15 | 23.33" | 9.25" | −1.7% | 59.0 mph | Compare |
| 175/60R15 | 23.27" | 6.89" | −2.0% | 58.8 mph | Compare |
| 195/60R15 | 24.21" | 7.68" | +2.0% | 61.2 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 165/75R14 | 14" | 23.74" | 0.0% | Compare |
| 225/55R14 | 14" | 23.74" | 0.0% | Compare |
| 195/70R13 | 13" | 23.75" | 0.0% | Compare |
| 245/35R17 | 17" | 23.75" | 0.0% | Compare |
| 155/80R14 | 14" | 23.76" | +0.1% | Compare |
| 245/40R16 | 16" | 23.72" | −0.1% | Compare |
| 215/40R17 | 17" | 23.77" | +0.1% | Compare |
| 205/60R14 | 14" | 23.69" | −0.2% | Compare |
| 195/50R16 | 16" | 23.68" | −0.3% | Compare |
| 245/25R19 | 19" | 23.82" | +0.3% | Compare |
| 205/35R18 | 18" | 23.65" | −0.4% | Compare |
| 175/70R14 | 14" | 23.65" | −0.4% | Compare |
One size up or down
- 175/60R15narrower: 23.3" × 6.9"
- 195/60R15wider: 24.2" × 7.7"
- 185/55R15lower profile: 23.0" × 7.3"
- 185/65R15taller sidewall: 24.5" × 7.3"
Compare 185/60R15 with another size
Questions
- How tall is a 185/60R15 tire?
- A 185/60R15 tire is 23.7 inches tall (603 mm), calculated from the size. It is 7.3 inches wide with 4.4 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 185/60R15 mean?
- 185/60R15 means a tire 185 mm wide, with sidewalls 60% as tall as the tire is wide (111 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 185/60R15 tire make?
- About 850 revolutions per mile, based on a circumference of 74.6 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 185/60R15 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 245/45R15 instead of 185/60R15?
- 245/45R15 is −0.06 inches (−0.2%) in overall diameter, so at an indicated 60 mph you would be doing 59.9 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.