32.5" tall, 10.4" wide, 6.3" sidewall
A 265/60R20 tire is 32.5 inches (826 mm) tall and 10.4 inches wide. The sidewall is 60% of the width, 6.3 inches, on a 20-inch wheel, and the tire turns about 620 times per mile.
In flotation terms that is about 32.5x10.4R20, closest to the common 33x12.50R20 (33.0"). People often call it a 33-inch tire.
The size most often compared with it is 245/60R20, which is 0.9" shorter (−2.9%). At an indicated 60 mph you would be doing 58.3 mph on it.
| Current | New | Difference |
|---|
| Shows | Actual speed |
|---|
Same 20" wheel, within 20 mm of width and 10 points of aspect ratio.
| Size | Diameter | Width | Sidewall | vs 265/60R20 | |
|---|---|---|---|---|---|
| 285/55R20 | 32.3" | 11.2" | 6.2" | −0.5% | |
| 275/60R20 | 33.0" | 10.8" | 6.5" | +1.5% | compare |
| 255/60R20 | 32.0" | 10.0" | 6.0" | −1.5% | |
| 255/65R20 | 33.1" | 10.0" | 6.5" | +1.6% | |
| 275/55R20 | 31.9" | 10.8" | 6.0" | −1.9% | compare |
| 245/60R20 | 31.6" | 9.6" | 5.8" | −2.9% | compare |
| 285/60R20 | 33.5" | 11.2" | 6.7" | +2.9% | |
| 265/55R20 | 31.5" | 10.4" | 5.7" | −3.2% | |
| 265/65R20 | 33.6" | 10.4" | 6.8" | +3.2% | |
| 285/50R20 | 31.2" | 11.2" | 5.6" | −4.0% |
Sizes within 2% of 32.5" on 19" or 18" or 22" wheels.
| Size | Diameter | Width | Sidewall | vs 265/60R20 | |
|---|---|---|---|---|---|
| 245/70R19 | 32.5" | 9.6" | 6.8" | −0.0% | |
| 245/75R18 | 32.5" | 9.6" | 7.2" | −0.2% | |
| 295/45R22 | 32.5" | 11.6" | 5.2" | −0.2% | |
| 285/65R18 | 32.6" | 11.2" | 7.3" | +0.2% | |
| 265/50R22 | 32.4" | 10.4" | 5.2" | −0.3% | |
| 265/70R18 | 32.6" | 10.4" | 7.3" | +0.3% |
Actual speed when the speedometer is calibrated for 265/60R20.
| Speedometer shows | on 245/60R20 | on 275/60R20 | on 275/55R20 |
|---|---|---|---|
| 30 mph | 29.1 mph | 30.4 mph | 29.4 mph |
| 45 mph | 43.7 mph | 45.7 mph | 44.2 mph |
| 60 mph | 58.3 mph | 60.9 mph | 58.9 mph |
| 70 mph | 68.0 mph | 71.0 mph | 68.7 mph |
32.5 inches (826 mm). The sidewall is 6.3 inches.
10.4 inches (265 mm) section width, measured sidewall to sidewall.
About 32.5x10.4R20; the closest common flotation size is 33x12.50R20 at 33.0".
245/60R20 is −2.9% in diameter, within the common 3% guideline. It is 0.8" narrower.