285/70R17 tire size in inches
A 285/70R17 tire measures
32.7" tall × 11.2" wide
7.85" sidewall on a 17" wheel. 617 revolutions per mile.
285/70R17 means a tire 285 mm wide, with sidewalls 70% as tall as the tire is wide (200 mm), radial construction (R), for a 17 inch wheel.
285/70R17 specs
| Overall diameter (height) | 32.71 inches (831 mm) |
|---|---|
| Section width | 11.22 inches (285 mm) |
| Sidewall height | 7.85 inches (200 mm) |
| Wheel (rim) diameter | 17 inches |
| Circumference | 102.8 inches (2,610 mm) |
| Revolutions per mile | 617 |
| Revolutions per kilometer | 383 |
| Approximate rim width | 7.5" to 9.0" |
| In inches (flotation style) | 32.7x11.2R17 |
| Aspect ratio | 70% |
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 285/70R17 on a 17" wheel
These 17" sizes are within 3% of 285/70R17's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 265/75R17 | 32.65" | 10.43" | −0.2% | 59.9 mph | Compare |
| 305/65R17 | 32.61" | 12.01" | −0.3% | 59.8 mph | Compare |
| 33x12.50R17 | 33.00" | 12.50" | +0.9% | 60.5 mph | Compare |
| 315/65R17 | 33.12" | 12.40" | +1.3% | 60.8 mph | Compare |
| 275/75R17 | 33.24" | 10.83" | +1.6% | 61.0 mph | Compare |
| 295/70R17 | 33.26" | 11.61" | +1.7% | 61.0 mph | Compare |
| 275/70R17 | 32.16" | 10.83" | −1.7% | 59.0 mph | Compare |
| 295/65R17 | 32.10" | 11.61" | −1.9% | 58.9 mph | Compare |
| 255/75R17 | 32.06" | 10.04" | −2.0% | 58.8 mph | Compare |
| 315/60R17 | 31.88" | 12.40" | −2.5% | 58.5 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 265/80R16 | 16" | 32.69" | 0.0% | Compare |
| 265/85R15 | 15" | 32.74" | +0.1% | Compare |
| 315/35R24 | 24" | 32.68" | −0.1% | Compare |
| 275/40R24 | 24" | 32.66" | −0.1% | Compare |
| 295/55R20 | 20" | 32.78" | +0.2% | Compare |
| 315/55R19 | 19" | 32.64" | −0.2% | Compare |
| 325/50R20 | 20" | 32.80" | +0.3% | Compare |
| 295/50R21 | 21" | 32.61" | −0.3% | Compare |
| 245/55R22 | 22" | 32.61" | −0.3% | Compare |
| 305/45R22 | 22" | 32.81" | +0.3% | Compare |
| 265/70R18 | 18" | 32.61" | −0.3% | Compare |
| 275/50R22 | 22" | 32.83" | +0.4% | Compare |
One size up or down
- 275/70R17narrower: 32.2" × 10.8"
- 295/70R17wider: 33.3" × 11.6"
- 285/65R17lower profile: 31.6" × 11.2"
- 285/75R17taller sidewall: 33.8" × 11.2"
Compare 285/70R17 with another size
Questions
- How tall is a 285/70R17 tire?
- A 285/70R17 tire is 32.7 inches tall (831 mm), calculated from the size. It is 11.2 inches wide with 7.9 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 285/70R17 mean?
- 285/70R17 means a tire 285 mm wide, with sidewalls 70% as tall as the tire is wide (200 mm), radial construction (R), for a 17 inch wheel.
- How many revolutions per mile does a 285/70R17 tire make?
- About 617 revolutions per mile, based on a circumference of 102.8 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 285/70R17 tire?
- Roughly 7.5" to 9.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 265/75R17 instead of 285/70R17?
- 265/75R17 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.