275/60R20 tire size
A 275/60R20 tire is 33.0 inches tall and 10.8 inches wide. Here are its full dimensions, what the numbers mean, and the sizes you can swap it for.
- Overall diameter
- 32.99″ (838 mm)
- Section width
- 10.83″ (275 mm)
- Sidewall height
- 6.50″ (165 mm)
- Wheel diameter
- 20″
- Circumference
- 103.6″
- Revolutions per mile
- 611
What 275/60R20 means
- 275: the tire is 275 mm (10.8 in) wide from sidewall to sidewall.
- 60: the sidewall is 60% of the width, 165.0 mm (6.50 in) tall.
- R: radial construction, used by almost every modern tire.
- 20: it fits a 20-inch wheel.
Overall diameter = 20 + 2 × 6.50 = 32.99 inches.
Sizes equivalent to 275/60R20
These sizes are within 3% of the overall diameter, the usual limit for swapping without speedometer problems.
| Size | Diameter | Difference | Speedometer at 60 mph |
|---|---|---|---|
| 255/55R22 | 33.0″ | +0.2% | 60.1 mph actual |
| 255/60R21 | 33.0″ | +0.2% | 60.1 mph actual |
| 255/65R20 | 33.1″ | +0.2% | 60.1 mph actual |
| 275/55R21 | 32.9″ | -0.3% | 59.8 mph actual |
| 275/50R22 | 32.8″ | -0.5% | 59.7 mph actual |
| 295/55R20 | 32.8″ | -0.7% | 59.6 mph actual |
| 285/50R22 | 33.2″ | +0.7% | 60.4 mph actual |
| 285/55R21 | 33.3″ | +1.1% | 60.6 mph actual |
| 295/50R21 | 32.6″ | -1.1% | 59.3 mph actual |
| 265/60R20 | 32.5″ | -1.4% | 59.1 mph actual |
Going a size taller? 305/55R20 is 33.2″ tall, 0.7% more than 275/60R20. Compare any two sizes in the tire size calculator.
See every common size side by side in the tire size chart.
Questions
What is 275/60R20 in inches?
A 275/60R20 tire is about 33.0 inches tall (838 mm) and 10.8 inches wide, on a 20-inch wheel. In flotation sizing that's roughly 33.0x10.8R20.
How tall is a 275/60R20 tire?
The overall diameter is 32.99 inches: the 20-inch wheel plus two 6.50-inch sidewalls. Actual tires vary by a few tenths of an inch between brands and models.
How many revolutions per mile does a 275/60R20 make?
About 611 revolutions per mile, from a circumference of 103.6 inches.
