255/65R17 tire size in inches
A 255/65R17 tire measures
30.1" tall × 10.0" wide
6.53" sidewall on a 17" wheel. 671 revolutions per mile.
255/65R17 means a tire 255 mm wide, with sidewalls 65% as tall as the tire is wide (166 mm), radial construction (R), for a 17 inch wheel.
255/65R17 specs
| Overall diameter (height) | 30.05 inches (763 mm) |
|---|---|
| Section width | 10.04 inches (255 mm) |
| Sidewall height | 6.53 inches (166 mm) |
| Wheel (rim) diameter | 17 inches |
| Circumference | 94.4 inches (2,398 mm) |
| Revolutions per mile | 671 |
| Revolutions per kilometer | 417 |
| Approximate rim width | 7.0" to 8.5" |
| In inches (flotation style) | 30.1x10.0R17 |
| Aspect ratio | 65% |
Calculated from the size. Real tires differ by brand, model and tread depth, typically by a few tenths of an inch.
Sizes that can replace 255/65R17 on a 17" wheel
These 17" sizes are within 3% of 255/65R17's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 275/60R17 | 29.99" | 10.83" | −0.2% | 59.9 mph | Compare |
| 235/70R17 | 29.95" | 9.25" | −0.3% | 59.8 mph | Compare |
| 305/55R17 | 30.21" | 12.01" | +0.5% | 60.3 mph | Compare |
| 225/75R17 | 30.29" | 8.86" | +0.8% | 60.5 mph | Compare |
| 295/55R17 | 29.78" | 11.61" | −0.9% | 59.4 mph | Compare |
| 215/75R17 | 29.70" | 8.46" | −1.2% | 59.3 mph | Compare |
| 285/60R17 | 30.46" | 11.22" | +1.4% | 60.8 mph | Compare |
| 245/70R17 | 30.50" | 9.65" | +1.5% | 60.9 mph | Compare |
| 265/65R17 | 30.56" | 10.43" | +1.7% | 61.0 mph | Compare |
| 245/65R17 | 29.54" | 9.65" | −1.7% | 59.0 mph | Compare |
| 265/60R17 | 29.52" | 10.43" | −1.8% | 58.9 mph | Compare |
| 315/55R17 | 30.64" | 12.40" | +2.0% | 61.2 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 255/70R16 | 16" | 30.06" | 0.0% | Compare |
| 255/60R18 | 18" | 30.05" | 0.0% | Compare |
| 225/85R15 | 15" | 30.06" | 0.0% | Compare |
| 255/75R15 | 15" | 30.06" | 0.0% | Compare |
| 255/55R19 | 19" | 30.04" | 0.0% | Compare |
| 255/80R14 | 14" | 30.06" | 0.0% | Compare |
| 255/50R20 | 20" | 30.04" | 0.0% | Compare |
| 255/45R21 | 21" | 30.04" | −0.1% | Compare |
| 255/40R22 | 22" | 30.03" | −0.1% | Compare |
| 275/65R16 | 16" | 30.07" | +0.1% | Compare |
| 235/65R18 | 18" | 30.03" | −0.1% | Compare |
| 255/30R24 | 24" | 30.02" | −0.1% | Compare |
One size up or down
- 245/65R17narrower: 29.5" × 9.6"
- 265/65R17wider: 30.6" × 10.4"
- 255/60R17lower profile: 29.0" × 10.0"
- 255/70R17taller sidewall: 31.1" × 10.0"
Compare 255/65R17 with another size
Questions
- How tall is a 255/65R17 tire?
- A 255/65R17 tire is 30.1 inches tall (763 mm), calculated from the size. It is 10.0 inches wide with 6.5 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 255/65R17 mean?
- 255/65R17 means a tire 255 mm wide, with sidewalls 65% as tall as the tire is wide (166 mm), radial construction (R), for a 17 inch wheel.
- How many revolutions per mile does a 255/65R17 tire make?
- About 671 revolutions per mile, based on a circumference of 94.4 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 255/65R17 tire?
- Roughly 7.0" to 8.5". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 275/60R17 instead of 255/65R17?
- 275/60R17 is −0.06 inches (−0.2%) in overall diameter, so at an indicated 60 mph you would be doing 59.9 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.