275/65R17 tire size
275/65R17 is a metric size: 31.1" tall, 10.8" wide, on a 17" rim — about a 31x11.00R17. The sidewall is 7.0" and the tire turns 649 times per mile.
275/65R17 specs
| Overall diameter (height) | 31.07" · 789 mm |
|---|---|
| Section width | 10.83" · 275 mm |
| Sidewall height | 7.04" · 179 mm (65% of width) |
| Rim diameter | 17" |
| Circumference | 97.62" · 2.480 m |
| Revolutions per mile | 649 (403 per km) |
| Inch (flotation) equivalent | 31x11.00R17 |
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 | |
|---|---|---|---|---|---|
| 265/70R17 common | 31.61" | +1.71% | -10 mm | 61.0 mph | calculate → |
| 245/70R17 common | 30.50" | -1.84% | -30 mm | 58.9 mph | calculate → |
| 245/65R17 common | 29.54" | -4.94% | -30 mm | 57.0 mph | calculate → |
| 245/75R17 common | 31.47" | +1.27% | -30 mm | 60.8 mph | calculate → |
| 265/65R17 common | 30.56" | -1.65% | -10 mm | 59.0 mph | calculate → |
| 235/80R17 common | 31.80" | +2.34% | -40 mm | 61.4 mph | calculate → |
| 255/65R17 common | 30.05" | -3.29% | -20 mm | 58.0 mph | calculate → |
| 255/70R17 common | 31.06" | -0.06% | -20 mm | 60.0 mph | calculate → |
| 255/75R17 | 32.06" | +3.17% | -20 mm | 61.9 mph | calculate → |
| 235/75R17 | 30.88" | -0.63% | -40 mm | 59.6 mph | calculate → |
| 275/70R17 | 32.16" | +3.48% | 0 mm | 62.1 mph | calculate → |
| 235/70R17 | 29.95" | -3.61% | -40 mm | 57.8 mph | calculate → |
| 225/75R17 | 30.29" | -2.53% | -50 mm | 58.5 mph | calculate → |
| 305/65R17 | 32.61" | +4.94% | +30 mm | 63.0 mph | calculate → |
| 275/60R17 | 29.99" | -3.48% | 0 mm | 57.9 mph | calculate → |
| 285/65R17 | 31.59" | +1.65% | +10 mm | 61.0 mph | calculate → |
| 31x10.50R17 | 31.00" | -0.24% | -8 mm | 59.9 mph | calculate → |
| 315/55R17 | 30.64" | -1.39% | +40 mm | 59.2 mph | calculate → |
| 315/60R17 | 31.88" | +2.60% | +40 mm | 61.6 mph | calculate → |
| 32x11.50R17 | 32.00" | +2.98% | +17 mm | 61.8 mph | calculate → |
| 285/60R17 | 30.46" | -1.96% | +10 mm | 58.8 mph | calculate → |
| 32x10.50R17 | 32.00" | +2.98% | -8 mm | 61.8 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 | |
|---|---|---|---|---|---|
| 255/65R18 common | 31.05" | -0.08% | -20 mm | 60.0 mph | calculate → |
| 275/60R18 | 30.99" | -0.27% | 0 mm | 59.8 mph | calculate → |
| 275/70R16 | 31.16" | +0.27% | 0 mm | 60.2 mph | calculate → |
| 235/80R16 | 30.80" | -0.87% | -40 mm | 59.5 mph | calculate → |
| 31x12.50R16 | 31.00" | -0.24% | +43 mm | 59.9 mph | calculate → |
| 31x10.50R16 | 31.00" | -0.24% | -8 mm | 59.9 mph | calculate → |
| 31x11.50R16 | 31.00" | -0.24% | +17 mm | 59.9 mph | calculate → |
| 31x11.00R16 | 31.00" | -0.24% | +4 mm | 59.9 mph | calculate → |
| 235/70R18 | 30.95" | -0.39% | -40 mm | 59.8 mph | calculate → |
| 225/85R16 | 31.06" | -0.05% | -50 mm | 60.0 mph | calculate → |
Try another size against 275/65R17
Questions
What size is 275/65R17 in inches?
275/65R17 is about 31.1" tall and 10.8" wide on a 17-inch rim — roughly a 31x11.00R17 in inch sizing.
What does 275/65R17 mean?
275 mm section width, sidewall 65% of the width (7.04"), radial construction, 17-inch rim.
What tire sizes are equivalent to 275/65R17?
On the same 17" rim, within 3% of the diameter: 255/70R17 (-0.06%), 31x10.50R17 (-0.24%), 235/75R17 (-0.63%), 245/75R17 (+1.27%), 315/55R17 (-1.39%), 265/65R17 (-1.65%).
How many revolutions per mile does a 275/65R17 tire make?
About 649 revolutions per mile (circumference 97.6").
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.