275/80R17 tire size
275/80R17 is a metric size: 34.3" tall, 10.8" wide, on a 17" rim — about a 34.5x11.00R17. The sidewall is 8.7" and the tire turns 588 times per mile.
275/80R17 specs
| Overall diameter (height) | 34.32" · 872 mm |
|---|---|
| Section width | 10.83" · 275 mm |
| Sidewall height | 8.66" · 220 mm (80% of width) |
| Rim diameter | 17" |
| Circumference | 107.83" · 2.739 m |
| Revolutions per mile | 588 (365 per km) |
| Inch (flotation) equivalent | 34.5x11.00R17 |
Equivalent sizes on a 17" rim
Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 285/70R17 common | 32.71" | -4.70% | +10 mm | 57.2 mph | calculate → |
| 35x12.50R17 common | 35.00" | +1.97% | +43 mm | 61.2 mph | calculate → |
| 315/70R17 common | 34.36" | +0.11% | +40 mm | 60.1 mph | calculate → |
| 295/70R17 | 33.26" | -3.10% | +20 mm | 58.1 mph | calculate → |
| 285/75R17 | 33.83" | -1.43% | +10 mm | 59.1 mph | calculate → |
| 33x12.50R17 | 33.00" | -3.85% | +43 mm | 57.7 mph | calculate → |
| 255/80R17 | 33.06" | -3.67% | -20 mm | 57.8 mph | calculate → |
| 305/70R17 | 33.81" | -1.49% | +30 mm | 59.1 mph | calculate → |
| 305/65R17 | 32.61" | -4.99% | +30 mm | 57.0 mph | calculate → |
| 35x11.50R17 | 35.00" | +1.97% | +17 mm | 61.2 mph | calculate → |
| 34x10.50R17 | 34.00" | -0.94% | -8 mm | 59.4 mph | calculate → |
| 35x14.50R17 | 35.00" | +1.97% | +93 mm | 61.2 mph | calculate → |
| 35x13.50R17 | 35.00" | +1.97% | +68 mm | 61.2 mph | calculate → |
| 36x13.50R17 | 36.00" | +4.89% | +68 mm | 62.9 mph | calculate → |
| 255/85R17 | 34.07" | -0.75% | -20 mm | 59.6 mph | calculate → |
| 35x10.50R17 | 35.00" | +1.97% | -8 mm | 61.2 mph | calculate → |
| 33x10.50R17 | 33.00" | -3.85% | -8 mm | 57.7 mph | calculate → |
| 33x11.50R17 | 33.00" | -3.85% | +17 mm | 57.7 mph | calculate → |
| 33x13.50R17 | 33.00" | -3.85% | +68 mm | 57.7 mph | calculate → |
| 33x13.00R17 | 33.00" | -3.85% | +55 mm | 57.7 mph | calculate → |
| 33x9.50R17 | 33.00" | -3.85% | -34 mm | 57.7 mph | calculate → |
| 36x12.50R17 | 36.00" | +4.89% | +43 mm | 62.9 mph | calculate → |
| 325/70R17 | 34.91" | +1.72% | +50 mm | 61.0 mph | calculate → |
| 235/85R17 | 32.73" | -4.65% | -40 mm | 57.2 mph | calculate → |
Plus / minus sizing: 16" and 18" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 295/70R18 common | 34.26" | -0.18% | +20 mm | 59.9 mph | calculate → |
| 315/75R16 | 34.60" | +0.81% | +40 mm | 60.5 mph | calculate → |
| 325/65R18 | 34.63" | +0.91% | +50 mm | 60.5 mph | calculate → |
| 34.5x17.00R16 | 34.50" | +0.52% | +157 mm | 60.3 mph | calculate → |
| 34x10.50R16 | 34.00" | -0.94% | -8 mm | 59.4 mph | calculate → |
| 34x12.50R16 | 34.00" | -0.94% | +43 mm | 59.4 mph | calculate → |
| 34x12.50R18 | 34.00" | -0.94% | +43 mm | 59.4 mph | calculate → |
| 34x13.50R16 | 34.00" | -0.94% | +68 mm | 59.4 mph | calculate → |
| 34x9.00R16 | 34.00" | -0.94% | -46 mm | 59.4 mph | calculate → |
Try another size against 275/80R17
Questions
What size is 275/80R17 in inches?
275/80R17 is about 34.3" tall and 10.8" wide on a 17-inch rim — roughly a 34.5x11.00R17 in inch sizing.
What does 275/80R17 mean?
275 mm section width, sidewall 80% of the width (8.66"), radial construction, 17-inch rim.
What tire sizes are equivalent to 275/80R17?
On the same 17" rim, within 3% of the diameter: 315/70R17 (+0.11%), 255/85R17 (-0.75%), 34x10.50R17 (-0.94%), 285/75R17 (-1.43%), 305/70R17 (-1.49%), 325/70R17 (+1.72%).
How many revolutions per mile does a 275/80R17 tire make?
About 588 revolutions per mile (circumference 107.8").
How these numbers are computed
Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.