Tire Ruler265/60R20 dimensions
| Overall diameter (height) | 32.52″ · 826 mm |
| Section width | 10.43″ · 265 mm |
| Sidewall height | 6.26″ · 159 mm |
| Wheel diameter | 20″ |
| Rim width (rule of thumb) | 7.5–9″ |
| Circumference | 102.2″ |
| Revolutions per mile | 620 |
| In inches (flotation style) | 32.5 × 10.4R20 |
How it’s calculated: the sidewall is 60% of the 265 mm width = 159.0 mm (6.26″). Add two sidewalls to the 20″ wheel: 20 + 2 × 6.26 = 32.52″.
Bigger tires than 265/60R20 on 20″ wheels
| Size | Height | Taller by | 60 mph reads |
|---|---|---|---|
| 295/55R20 | 32.8″ | +0.26″ (+0.8%) | 60.5 mph |
| 275/60R20 | 33.0″ | +0.47″ (+1.5%) | 60.9 mph |
| 33x12.50R20 | 33.0″ | +0.48″ (+1.5%) | 60.9 mph |
| 305/55R20 | 33.2″ | +0.69″ (+2.1%) | 61.3 mph |
| 285/60R20 | 33.5″ | +0.94″ (+2.9%) | 61.7 mph |
“60 mph reads” is your real speed when a speedometer set up for 265/60R20 shows 60. Above about 3% taller, most trucks need a leveling kit or lift, and the speedometer should be recalibrated.
Sizes equivalent to 265/60R20
Within 1.5% of the same height on a 20″ wheel. Usually interchangeable for the speedometer; check width, load index and clearance.
| Size | Height | Width | Difference |
|---|---|---|---|
| 285/55R20 | 32.3″ | 11.2″ | −0.5% |
| 295/55R20 | 32.8″ | 11.6″ | +0.8% |
| 275/60R20 | 33.0″ | 10.8″ | +1.5% |
| 33x12.50R20 | 33.0″ | 12.5″ | +1.5% |
Same height on a different wheel size
Changing wheel size (plus or minus sizing) while keeping the overall height keeps your speedometer right:
- 33x12.50R15: 33.0″ tall on a 15″ wheel (+1.5%)
- 285/75R16: 32.8″ tall on a 16″ wheel (+1.0%)
- 285/70R17: 32.7″ tall on a 17″ wheel (+0.6%)
- 275/70R17: 32.2″ tall on a 17″ wheel (−1.1%)
- 255/75R17: 32.1″ tall on a 17″ wheel (−1.4%)
- 33x12.50R17: 33.0″ tall on a 17″ wheel (+1.5%)
- 275/65R18: 32.1″ tall on an 18″ wheel (−1.4%)
- 285/65R18: 32.6″ tall on an 18″ wheel (+0.2%)
- 255/70R18: 32.1″ tall on an 18″ wheel (−1.4%)
- 265/70R18: 32.6″ tall on an 18″ wheel (+0.3%)
- 33x12.50R18: 33.0″ tall on an 18″ wheel (+1.5%)
- 285/45R22: 32.1″ tall on a 22″ wheel (−1.3%)
- 305/45R22: 32.8″ tall on a 22″ wheel (+0.9%)
- 275/50R22: 32.8″ tall on a 22″ wheel (+0.9%)
- 33x12.50R22: 33.0″ tall on a 22″ wheel (+1.5%)
Popular 265/60R20 comparisons
Frequently asked questions
Is 265/60R20 a 33 inch tire?
Not quite. 265/60R20 is 32.52 inches tall, between a 32 and a 33 inch tire.
What size is 265/60R20 in inches?
265/60R20 is 32.5 inches tall (overall diameter), 10.4 inches wide, with a 6.3 inch sidewall, and fits a 20 inch wheel.
What tire size is equivalent to 265/60R20?
Sizes within 1.5% of the same diameter on a 20" wheel: 285/55R20 (32.3"), 295/55R20 (32.8"), 275/60R20 (33.0"), 33x12.50R20 (33.0"). Check load index and width before swapping.
What rim width fits 265/60R20?
As a rule of thumb, about 7.5–9 inches. The tire maker's spec sheet lists the approved range for each model.
How many revolutions per mile does 265/60R20 make?
About 620 revolutions per mile in theory (circumference 102.2 in). Real tires turn slightly more because they flatten under load.