185/65R14 tire size
A 185/65R14 tire is 23.5 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
- 23.47″ (596 mm)
- Section width
- 7.28″ (185 mm)
- Sidewall height
- 4.73″ (120 mm)
- Wheel diameter
- 14″
- Circumference
- 73.7″
- Revolutions per mile
- 859
What 185/65R14 means
- 185: the tire is 185 mm (7.3 in) wide from sidewall to sidewall.
- 65: the sidewall is 65% of the width, 120.3 mm (4.73 in) tall.
- R: radial construction, used by almost every modern tire.
- 14: it fits a 14-inch wheel.
Overall diameter = 14 + 2 × 4.73 = 23.47 inches.
Sizes equivalent to 185/65R14
These sizes are within 3% of the overall diameter, the usual limit for swapping without speedometer problems.
| Size | Diameter | Difference | Speedometer at 60 mph |
|---|---|---|---|
| 165/65R15 | 23.4″ | -0.1% | 59.9 mph actual |
| 195/55R15 | 23.4″ | -0.1% | 59.9 mph actual |
| 175/55R16 | 23.6″ | +0.5% | 60.3 mph actual |
| 175/70R14 | 23.6″ | +0.8% | 60.5 mph actual |
| 185/50R16 | 23.3″ | -0.8% | 59.5 mph actual |
| 175/60R15 | 23.3″ | -0.9% | 59.5 mph actual |
| 205/45R16 | 23.3″ | -0.9% | 59.5 mph actual |
| 195/50R16 | 23.7″ | +0.9% | 60.5 mph actual |
| 205/60R14 | 23.7″ | +0.9% | 60.6 mph actual |
| 195/60R14 | 23.2″ | -1.1% | 59.3 mph actual |
See every common size side by side in the tire size chart.
Questions
What is 185/65R14 in inches?
A 185/65R14 tire is about 23.5 inches tall (596 mm) and 7.3 inches wide, on a 14-inch wheel. In flotation sizing that's roughly 23.5x7.3R14.
How tall is a 185/65R14 tire?
The overall diameter is 23.47 inches: the 14-inch wheel plus two 4.73-inch sidewalls. Actual tires vary by a few tenths of an inch between brands and models.
How many revolutions per mile does a 185/65R14 make?
About 859 revolutions per mile, from a circumference of 73.7 inches.
