Home › 17" tire sizes › 255/80R17
255/80R17 tire size in inches
255/80R17 is 33.06" tall and 10.04" wide, and fits a 17" rim. In flotation (inch) sizing that is roughly 33.1x10.0R17.
255/80R17 dimensions
| Measurement | Inches | Metric |
|---|---|---|
| Overall diameter (height) | 33.06" | 840 mm |
| Section width | 10.04" | 255 mm |
| Sidewall height | 8.03" | 204.0 mm |
| Rim diameter | 17" | 431.8 mm |
| Circumference | 103.9" | 2638 mm |
| Revolutions per mile | 610 | |
| Aspect ratio | 80% (sidewall is 80% of the width) | |
Drawn to scale
Among the 124 sizes for 17" wheels on this site, 255/80R17 is #89 by height (shortest: 205/40R17, tallest: 385/70R17).
What people compare 255/80R17 with
Real comparisons drivers search for, worked out against 255/80R17:
| Compared size | Height | Width | Sidewall | Speedo at true 60 |
|---|---|---|---|---|
| 285/70R17 | -0.35" (-1.06%) | +1.18" | -0.18" | 60.6 mph |
| 265/70R17 | -1.45" (-4.39%) | +0.39" | -0.73" | 62.8 mph |
| 235/80R17 | -1.26" (-3.81%) | -0.79" | -0.63" | 62.4 mph |
| 255/75R17 | -1.00" (-3.02%) | 0.00" | -0.50" | 61.9 mph |
| 245/75R17 | -1.59" (-4.81%) | -0.39" | -0.80" | 63 mph |
| 285/75R17 | +0.77" (+2.33%) | +1.18" | +0.39" | 58.6 mph |
How the 255/80R17 numbers are worked out
The size code reads as 255 mm section width, 80% aspect ratio, R for radial construction and 17-inch wheel.
- Sidewall = 255 × 80% = 204.0 mm = 8.03"
- Diameter = 17" + 2 × 8.03" = 33.06"
- Circumference = π × 33.06" = 103.9"
- Revs per mile = 63,360" ÷ 103.9" = 610
Sizes that can replace 255/80R17 on a 17" wheel
Within 3% of 33.06". Last column: speedometer reading at a true 60 mph.
| Size | Diameter | Width | Difference | Speedo at true 60 mph |
|---|---|---|---|---|
| 315/65R17 | 33.12" | 12.40" | +0.18% | 59.9 mph |
| 290/70R17 | 32.98" | 11.42" | -0.24% | 60.1 mph |
| 270/75R17 | 32.94" | 10.63" | -0.36% | 60.2 mph |
| 275/75R17 | 33.24" | 10.83" | +0.54% | 59.7 mph |
| 295/70R17 | 33.26" | 11.61" | +0.6% | 59.6 mph |
| 235/85R17 | 32.73" | 9.25" | -1% | 60.6 mph |
| 245/85R17 | 33.40" | 9.65" | +1.03% | 59.4 mph |
| 285/70R17 | 32.71" | 11.22" | -1.06% | 60.6 mph |
| 265/75R17 | 32.65" | 10.43" | -1.24% | 60.8 mph |
| 305/65R17 | 32.61" | 12.01" | -1.36% | 60.8 mph |
| 280/75R17 | 33.54" | 11.02" | +1.45% | 59.1 mph |
| 300/70R17 | 33.54" | 11.81" | +1.45% | 59.1 mph |
One size wider or narrower
- Narrower: 245/80R17 — 9.65" wide, 32.43" tall
- Wider: 265/80R17 — 10.43" wide, 33.69" tall
Same height on a different wheel size
- 305/75R15 15" (-0.15%)
- 265/85R15 15" (-0.97%)
- 315/75R15 15" (+1.63%)
- 295/75R15 15" (-1.94%)
- 255/85R16 16" (+0.03%)
- 285/75R16 16" (-0.7%)
- 305/70R16 16" (-0.76%)
- 275/80R16 16" (+0.79%)
- 315/70R16 16" (+0.91%)
- 295/75R16 16" (+1.09%)
Questions about 255/80R17
How tall is a 255/80R17 tire in inches?
A 255/80R17 tire is 33.06 inches (840 mm) tall: the 17-inch rim plus two sidewalls of 8.03 inches each.
Is 255/80R17 a 33 inch tire?
Yes. At 33.06 inches tall it is commonly called a 33-inch tire.
How many revolutions per mile does a 255/80R17 make?
About 610 revolutions per mile, based on a calculated circumference of 103.9 inches.
What size can replace 255/80R17?
315/65R17 is the closest match on a 17" rim (+0.18% height). Check load index, speed rating and clearance first.
Compare 255/80R17 against any other size with the tire size calculator.