185/60R15 tire size
A 185/60R15 tire is 23.7 inches tall and 7.3 inches wide. Here are its full dimensions, what the numbers mean, and the sizes you can swap it for.
- Overall diameter
- 23.74″ (603 mm)
- Section width
- 7.28″ (185 mm)
- Sidewall height
- 4.37″ (111 mm)
- Wheel diameter
- 15″
- Circumference
- 74.6″
- Revolutions per mile
- 850
What 185/60R15 means
- 185: the tire is 185 mm (7.3 in) wide from sidewall to sidewall.
- 60: the sidewall is 60% of the width, 111.0 mm (4.37 in) tall.
- R: radial construction, used by almost every modern tire.
- 15: it fits a 15-inch wheel.
Overall diameter = 15 + 2 × 4.37 = 23.74 inches.
Sizes equivalent to 185/60R15
These sizes are within 3% of the overall diameter, the usual limit for swapping without speedometer problems.
| Size | Diameter | Difference | Speedometer at 60 mph |
|---|---|---|---|
| 165/60R16 | 23.8″ | +0.2% | 60.1 mph actual |
| 195/50R16 | 23.7″ | -0.3% | 59.8 mph actual |
| 205/55R15 | 23.9″ | +0.6% | 60.3 mph actual |
| 175/50R17 | 23.9″ | +0.6% | 60.4 mph actual |
| 175/55R16 | 23.6″ | -0.7% | 59.6 mph actual |
| 195/45R17 | 23.9″ | +0.7% | 60.4 mph actual |
| 185/45R17 | 23.6″ | -0.8% | 59.5 mph actual |
| 175/65R15 | 24.0″ | +0.9% | 60.5 mph actual |
| 165/50R17 | 23.5″ | -1.0% | 59.4 mph actual |
| 185/55R16 | 24.0″ | +1.1% | 60.7 mph actual |
Going a size taller? 185/65R15 is 24.5″ tall, 3.1% more than 185/60R15. Compare any two sizes in the tire size calculator.
See every common size side by side in the tire size chart.
Questions
What is 185/60R15 in inches?
A 185/60R15 tire is about 23.7 inches tall (603 mm) and 7.3 inches wide, on a 15-inch wheel. In flotation sizing that's roughly 23.7x7.3R15.
How tall is a 185/60R15 tire?
The overall diameter is 23.74 inches: the 15-inch wheel plus two 4.37-inch sidewalls. Actual tires vary by a few tenths of an inch between brands and models.
How many revolutions per mile does a 185/60R15 make?
About 850 revolutions per mile, from a circumference of 74.6 inches.
