ElpiAuto265/70R17 in inches
A 265/70R17 is 31.6″ tall and 10.4″ wide on a 17″ wheel — about a 31.6x10.4R17 in inch/flotation notation, a 32-inch tire.
Your tire size
e.g. 235/75R15, 33X12.50R15, or 225/45R17 91V
Sizes close to 265/70R17
No standard metric size lands exactly on 265/70R17. The best compromise is 285/65R17 (−0.1% height, +20 mm width); the list is ranked by height and width together, all on a 17″ wheel within ±3%.
| Size | Diameter | Height vs 265/70R17 | Width vs 265/70R17 |
|---|---|---|---|
| 285/65R17 | 31.6″ · 802 mm | −0.1% | +20 mm |
| 255/75R17 | 32.1″ · 814 mm | +1.4% | −10 mm |
| 245/75R17 | 31.5″ · 799 mm | −0.4% | −20 mm |
| 275/65R17 | 31.1″ · 789 mm | −1.7% | +10 mm |
| 255/70R17 | 31.1″ · 789 mm | −1.7% | −10 mm |
265/70R17 dimensions
Computed from the size code; moulded tires vary by brand by roughly 1–3%.
| Dimension | Inches | Millimetres |
|---|---|---|
| Overall diameter | 31.6″ | 803 |
| Section width | 10.43″ | 265 |
| Sidewall height | 7.30″ | 186 |
| Circumference | 99.3″ | 2522 |
| Revolutions per mile | 638 | — |
| Revolutions per km | — | 396 |
The same height on other wheels
If you are changing wheel diameter but want to keep a 31.6″ overall height, these metric sizes come closest (within 2%).
| Wheel | Size | Diameter | Difference |
|---|---|---|---|
| 15″ | 265/80R15 | 31.7″ | +0.3% |
| 16″ | 265/75R16 | 31.6″ | +0.1% |
| 18″ | 265/65R18 | 31.6″ | −0.1% |
| 20″ | 295/50R20 | 31.6″ | +0.0% |
| 22″ | 245/50R22 | 31.6″ | +0.1% |
Wheel width and neighbouring sizes
A 265 mm-wide tire mounts on 7.5–10.0″ wide wheels (the usual approved range; the middle is ideal).
One step up is 285/70R17: +3.5% in diameter. With a speedometer calibrated for 265/70R17, an indicated 60 mph would be 62.1 mph on 285/70R17.
Figures are geometric: overall diameter = wheel + 2 × sidewall, 25.4 mm per inch. Check the tire maker's data sheet for the exact moulded size before buying.