265/60R18 tire size
A 265/60R18 tire is 30.5 inches tall and 10.4 inches wide. Here are its full dimensions, what the numbers mean, and the sizes you can swap it for.
- Overall diameter
- 30.52″ (775 mm)
- Section width
- 10.43″ (265 mm)
- Sidewall height
- 6.26″ (159 mm)
- Wheel diameter
- 18″
- Circumference
- 95.9″
- Revolutions per mile
- 661
What 265/60R18 means
- 265: the tire is 265 mm (10.4 in) wide from sidewall to sidewall.
- 60: the sidewall is 60% of the width, 159.0 mm (6.26 in) tall.
- R: radial construction, used by almost every modern tire.
- 18: it fits a 18-inch wheel.
Overall diameter = 18 + 2 × 6.26 = 30.52 inches.
Sizes equivalent to 265/60R18
These sizes are within 3% of the overall diameter, the usual limit for swapping without speedometer problems.
| Size | Diameter | Difference | Speedometer at 60 mph |
|---|---|---|---|
| 245/65R18 | 30.5″ | +0.1% | 60.0 mph actual |
| 265/55R19 | 30.5″ | -0.1% | 59.9 mph actual |
| 245/60R19 | 30.6″ | +0.2% | 60.1 mph actual |
| 265/50R20 | 30.4″ | -0.3% | 59.8 mph actual |
| 245/55R20 | 30.6″ | +0.3% | 60.2 mph actual |
| 285/55R18 | 30.3″ | -0.6% | 59.7 mph actual |
| 285/50R19 | 30.2″ | -1.0% | 59.4 mph actual |
| 275/50R20 | 30.8″ | +1.0% | 60.6 mph actual |
| 275/55R19 | 30.9″ | +1.3% | 60.8 mph actual |
| 285/45R20 | 30.1″ | -1.4% | 59.2 mph actual |
Going a size taller? 255/65R18 is 31.1″ tall, 1.7% more than 265/60R18. Compare any two sizes in the tire size calculator.
See every common size side by side in the tire size chart.
Questions
What is 265/60R18 in inches?
A 265/60R18 tire is about 30.5 inches tall (775 mm) and 10.4 inches wide, on a 18-inch wheel. In flotation sizing that's roughly 30.5x10.4R18.
How tall is a 265/60R18 tire?
The overall diameter is 30.52 inches: the 18-inch wheel plus two 6.26-inch sidewalls. Actual tires vary by a few tenths of an inch between brands and models.
How many revolutions per mile does a 265/60R18 make?
About 661 revolutions per mile, from a circumference of 95.9 inches.
