Home › 17" tire sizes › 285/65R17
285/65R17 tire size in inches
285/65R17 is 31.59" tall and 11.22" wide, and fits a 17" rim. In flotation (inch) sizing that is roughly 31.6x11.2R17.
285/65R17 dimensions
| Measurement | Inches | Metric |
|---|---|---|
| Overall diameter (height) | 31.59" | 802 mm |
| Section width | 11.22" | 285 mm |
| Sidewall height | 7.29" | 185.2 mm |
| Rim diameter | 17" | 431.8 mm |
| Circumference | 99.2" | 2520 mm |
| Revolutions per mile | 639 | |
| Aspect ratio | 65% (sidewall is 65% of the width) | |
Drawn to scale
Among the 124 sizes for 17" wheels on this site, 285/65R17 is #73 by height (shortest: 205/40R17, tallest: 385/70R17).
What people compare 285/65R17 with
Real comparisons drivers search for, worked out against 285/65R17:
| Compared size | Height | Width | Sidewall | Speedo at true 60 |
|---|---|---|---|---|
| 265/70R17 | +0.02" (+0.06%) | -0.79" | +0.01" | 60 mph |
| 285/70R17 | +1.12" (+3.55%) | 0.00" | +0.56" | 57.9 mph |
285/65R17 against the most popular 17" sizes
| Popular size | Height | Width | Sidewall | Speedo at true 60 |
|---|---|---|---|---|
| 315/70R17 | +2.77" (+8.77%) | +1.18" | +1.39" | 55.2 mph |
| 285/75R17 | +2.24" (+7.09%) | 0.00" | +1.13" | 56 mph |
| 295/70R17 | +1.67" (+5.29%) | +0.39" | +0.84" | 57 mph |
| 305/70R17 | +2.22" (+7.03%) | +0.79" | +1.12" | 56.1 mph |
| 255/75R17 | +0.47" (+1.49%) | -1.18" | +0.24" | 59.1 mph |
How the 285/65R17 numbers are worked out
The size code reads as 285 mm section width, 65% aspect ratio, R for radial construction and 17-inch wheel.
- Sidewall = 285 × 65% = 185.2 mm = 7.29"
- Diameter = 17" + 2 × 7.29" = 31.59"
- Circumference = π × 31.59" = 99.2"
- Revs per mile = 63,360" ÷ 99.2" = 639
Sizes that can replace 285/65R17 on a 17" wheel
Within 3% of 31.59". Last column: speedometer reading at a true 60 mph.
| Size | Diameter | Width | Difference | Speedo at true 60 mph |
|---|---|---|---|---|
| 265/70R17 | 31.61" | 10.43" | +0.06% | 60 mph |
| 245/75R17 | 31.47" | 9.65" | -0.38% | 60.2 mph |
| 305/60R17 | 31.41" | 12.01" | -0.57% | 60.3 mph |
| 235/80R17 | 31.80" | 9.25" | +0.66% | 59.6 mph |
| 260/70R17 | 31.33" | 10.24" | -0.82% | 60.5 mph |
| 270/70R17 | 31.88" | 10.63" | +0.92% | 59.5 mph |
| 315/60R17 | 31.88" | 12.40" | +0.92% | 59.5 mph |
| 255/75R17 | 32.06" | 10.04" | +1.49% | 59.1 mph |
| 295/65R17 | 32.10" | 11.61" | +1.61% | 59 mph |
| 275/65R17 | 31.07" | 10.83" | -1.65% | 61 mph |
| 255/70R17 | 31.06" | 10.04" | -1.68% | 61 mph |
| 275/70R17 | 32.16" | 10.83" | +1.8% | 58.9 mph |
One size wider or narrower
- Narrower: 275/65R17 — 10.83" wide, 31.07" tall
- Wider: 295/65R17 — 11.61" wide, 32.10" tall
Same height on a different wheel size
- 265/80R15 15" (+0.32%)
- 245/85R15 15" (-0.6%)
- 305/70R15 15" (+0.7%)
- 285/75R15 15" (+0.76%)
- 295/70R15 15" (-1.04%)
- 275/75R15 15" (-1.11%)
- 255/85R15 15" (+1.52%)
- 255/80R15 15" (-1.68%)
- 305/65R16 16" (+0.06%)
- 265/75R16 16" (+0.19%)
Questions about 285/65R17
How tall is a 285/65R17 tire in inches?
A 285/65R17 tire is 31.59 inches (802 mm) tall: the 17-inch rim plus two sidewalls of 7.29 inches each.
Is 285/65R17 a 32 inch tire?
Yes. At 31.59 inches tall it is commonly called a 32-inch tire.
How many revolutions per mile does a 285/65R17 make?
About 639 revolutions per mile, based on a calculated circumference of 99.2 inches.
What size can replace 285/65R17?
265/70R17 is the closest match on a 17" rim (+0.06% height). Check load index, speed rating and clearance first.
Compare 285/65R17 against any other size with the tire size calculator.