Tire Ruler265/70R17 dimensions
| Overall diameter (height) | 31.61″ · 803 mm |
| Section width | 10.43″ · 265 mm |
| Sidewall height | 7.30″ · 186 mm |
| Wheel diameter | 17″ |
| Rim width (rule of thumb) | 7.5–9″ |
| Circumference | 99.3″ |
| Revolutions per mile | 638 |
| In inches (flotation style) | 31.6 × 10.4R17 |
How it’s calculated: the sidewall is 70% of the 265 mm width = 185.5 mm (7.30″). Add two sidewalls to the 17″ wheel: 17 + 2 × 7.30 = 31.61″.
Bigger tires than 265/70R17 on 17″ wheels
| Size | Height | Taller by | 60 mph reads |
|---|---|---|---|
| 255/75R17 | 32.1″ | +0.45″ (+1.4%) | 60.9 mph |
| 275/70R17 | 32.2″ | +0.55″ (+1.7%) | 61.0 mph |
| 285/70R17 | 32.7″ | +1.10″ (+3.5%) | 62.1 mph |
| 33x12.50R17 | 33.0″ | +1.39″ (+4.4%) | 62.6 mph |
| 255/80R17 | 33.1″ | +1.46″ (+4.6%) | 62.8 mph |
“60 mph reads” is your real speed when a speedometer set up for 265/70R17 shows 60. Above about 3% taller, most trucks need a leveling kit or lift, and the speedometer should be recalibrated.
Sizes equivalent to 265/70R17
Within 1.5% of the same height on a 17″ wheel. Usually interchangeable for the speedometer; check width, load index and clearance.
| Size | Height | Width | Difference |
|---|---|---|---|
| 245/75R17 | 31.5″ | 9.6″ | −0.4% |
| 255/75R17 | 32.1″ | 10.0″ | +1.4% |
Same height on a different wheel size
Changing wheel size (plus or minus sizing) while keeping the overall height keeps your speedometer right:
- 32x11.50R15: 32.0″ tall on a 15″ wheel (+1.2%)
- 265/75R16: 31.6″ tall on a 16″ wheel (+0.1%)
- 235/85R16: 31.7″ tall on a 16″ wheel (+0.4%)
- 275/65R18: 32.1″ tall on an 18″ wheel (+1.5%)
- 265/65R18: 31.6″ tall on an 18″ wheel (−0.1%)
- 255/70R18: 32.1″ tall on an 18″ wheel (+1.4%)
- 275/55R20: 31.9″ tall on a 20″ wheel (+1.0%)
- 245/60R20: 31.6″ tall on a 20″ wheel (−0.1%)
- 285/50R20: 31.2″ tall on a 20″ wheel (−1.2%)
- 305/50R20: 32.0″ tall on a 20″ wheel (+1.3%)
- 275/45R22: 31.7″ tall on a 22″ wheel (+0.4%)
Popular 265/70R17 comparisons
Frequently asked questions
Is 265/70R17 a 32 inch tire?
Not quite. 265/70R17 is 31.61 inches tall, between a 31 and a 32 inch tire.
What size is 265/70R17 in inches?
265/70R17 is 31.6 inches tall (overall diameter), 10.4 inches wide, with a 7.3 inch sidewall, and fits a 17 inch wheel.
What tire size is equivalent to 265/70R17?
Sizes within 1.5% of the same diameter on a 17" wheel: 245/75R17 (31.5"), 255/75R17 (32.1"). Check load index and width before swapping.
What rim width fits 265/70R17?
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 265/70R17 make?
About 638 revolutions per mile in theory (circumference 99.3 in). Real tires turn slightly more because they flatten under load.