275/55R17 tire size
275/55R17 is a metric size: 28.9" tall, 10.8" wide, on a 17" rim — about a 29x11.00R17. The sidewall is 6.0" and the tire turns 698 times per mile.
275/55R17 specs
| Overall diameter (height) | 28.91" · 734 mm |
|---|---|
| Section width | 10.83" · 275 mm |
| Sidewall height | 5.95" · 151 mm (55% of width) |
| Rim diameter | 17" |
| Circumference | 90.82" · 2.307 m |
| Revolutions per mile | 698 (433 per km) |
| Inch (flotation) equivalent | 29x11.00R17 |
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 | |
|---|---|---|---|---|---|
| 225/65R17 common | 28.52" | -1.36% | -50 mm | 59.2 mph | compare → |
| 235/65R17 common | 29.03" | +0.41% | -40 mm | 60.2 mph | compare → |
| 225/60R17 common | 27.63" | -4.43% | -50 mm | 57.3 mph | compare → |
| 245/65R17 common | 29.54" | +2.18% | -30 mm | 61.3 mph | compare → |
| 235/60R17 common | 28.10" | -2.79% | -40 mm | 58.3 mph | compare → |
| 215/65R17 common | 28.00" | -3.13% | -60 mm | 58.1 mph | compare → |
| 255/65R17 common | 30.05" | +3.95% | -20 mm | 62.4 mph | compare → |
| 235/70R17 | 29.95" | +3.61% | -40 mm | 62.2 mph | compare → |
| 255/60R17 | 29.05" | +0.48% | -20 mm | 60.3 mph | compare → |
| 225/75R17 | 30.29" | +4.77% | -50 mm | 62.9 mph | compare → |
| 275/60R17 | 29.99" | +3.75% | 0 mm | 62.2 mph | calculate → |
| 245/55R17 | 27.61" | -4.49% | -30 mm | 57.3 mph | calculate → |
| 265/60R17 | 29.52" | +2.11% | -10 mm | 61.3 mph | calculate → |
| 215/70R17 | 28.85" | -0.20% | -60 mm | 59.9 mph | calculate → |
| 165/90R17 | 28.69" | -0.75% | -110 mm | 59.6 mph | calculate → |
| 255/55R17 | 28.04" | -3.00% | -20 mm | 58.2 mph | calculate → |
| 155/90R17 | 27.98" | -3.20% | -120 mm | 58.1 mph | calculate → |
| 305/45R17 | 27.81" | -3.81% | +30 mm | 57.7 mph | calculate → |
| 175/90R17 | 29.40" | +1.70% | -100 mm | 61.0 mph | calculate → |
| 28x6.00R17 | 28.00" | -3.15% | -123 mm | 58.1 mph | calculate → |
| 275/50R17 | 27.83" | -3.75% | 0 mm | 57.8 mph | calculate → |
| 245/60R17 | 28.57" | -1.16% | -30 mm | 59.3 mph | calculate → |
| 225/70R17 | 29.40" | +1.70% | -50 mm | 61.0 mph | calculate → |
| 345/40R17 | 27.87" | -3.61% | +70 mm | 57.8 mph | calculate → |
| 205/65R17 | 27.49" | -4.90% | -70 mm | 57.1 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 | |
|---|---|---|---|---|---|
| 235/60R18 common | 29.10" | +0.67% | -40 mm | 60.4 mph | compare → |
| 225/60R18 common | 28.63" | -0.97% | -50 mm | 59.4 mph | compare → |
| 255/55R18 common | 29.04" | +0.46% | -20 mm | 60.3 mph | compare → |
| 235/70R16 common | 28.95" | +0.15% | -40 mm | 60.1 mph | compare → |
| 255/65R16 | 29.05" | +0.49% | -20 mm | 60.3 mph | compare → |
| 155/90R18 | 28.98" | +0.26% | -120 mm | 60.2 mph | calculate → |
| 215/75R16 | 28.70" | -0.74% | -60 mm | 59.6 mph | calculate → |
| 305/45R18 | 28.81" | -0.35% | +30 mm | 59.8 mph | calculate → |
| 205/80R16 | 28.91" | +0.01% | -70 mm | 60.0 mph | calculate → |
| 275/60R16 | 28.99" | +0.29% | 0 mm | 60.2 mph | calculate → |
Try another size against 275/55R17
Questions
What size is 275/55R17 in inches?
275/55R17 is about 28.9" tall and 10.8" wide on a 17-inch rim — roughly a 29x11.00R17 in inch sizing.
What does 275/55R17 mean?
275 mm section width, sidewall 55% of the width (5.95"), radial construction, 17-inch rim.
What tire sizes are equivalent to 275/55R17?
On the same 17" rim, within 3% of the diameter: 215/70R17 (-0.20%), 235/65R17 (+0.41%), 255/60R17 (+0.48%), 165/90R17 (-0.75%), 245/60R17 (-1.16%), 225/65R17 (-1.36%).
How many revolutions per mile does a 275/55R17 tire make?
About 698 revolutions per mile (circumference 90.8").
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.