255/60R17 tire size
255/60R17 is a metric size: 29.0" tall, 10.0" wide, on a 17" rim — about a 29x10.00R17. The sidewall is 6.0" and the tire turns 694 times per mile.
255/60R17 specs
| Overall diameter (height) | 29.05" · 738 mm |
|---|---|
| Section width | 10.04" · 255 mm |
| Sidewall height | 6.02" · 153 mm (60% of width) |
| Rim diameter | 17" |
| Circumference | 91.25" · 2.318 m |
| Revolutions per mile | 694 (431 per km) |
| Inch (flotation) equivalent | 29x10.00R17 |
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" | -1.83% | -30 mm | 58.9 mph | compare → |
| 235/65R17 common | 29.03" | -0.07% | -20 mm | 60.0 mph | compare → |
| 225/60R17 common | 27.63" | -4.88% | -30 mm | 57.1 mph | compare → |
| 245/65R17 common | 29.54" | +1.69% | -10 mm | 61.0 mph | compare → |
| 235/60R17 common | 28.10" | -3.25% | -20 mm | 58.0 mph | compare → |
| 215/65R17 common | 28.00" | -3.59% | -40 mm | 57.8 mph | compare → |
| 255/65R17 common | 30.05" | +3.46% | 0 mm | 62.1 mph | compare → |
| 235/70R17 | 29.95" | +3.12% | -20 mm | 61.9 mph | compare → |
| 225/75R17 | 30.29" | +4.27% | -30 mm | 62.6 mph | compare → |
| 275/55R17 | 28.91" | -0.47% | +20 mm | 59.7 mph | compare → |
| 275/60R17 | 29.99" | +3.25% | +20 mm | 62.0 mph | calculate → |
| 245/55R17 | 27.61" | -4.95% | -10 mm | 57.0 mph | calculate → |
| 265/60R17 | 29.52" | +1.63% | +10 mm | 61.0 mph | calculate → |
| 215/70R17 | 28.85" | -0.68% | -40 mm | 59.6 mph | calculate → |
| 165/90R17 | 28.69" | -1.22% | -90 mm | 59.3 mph | calculate → |
| 255/55R17 | 28.04" | -3.46% | 0 mm | 57.9 mph | calculate → |
| 155/90R17 | 27.98" | -3.66% | -100 mm | 57.8 mph | calculate → |
| 305/45R17 | 27.81" | -4.27% | +50 mm | 57.4 mph | calculate → |
| 175/90R17 | 29.40" | +1.22% | -80 mm | 60.7 mph | calculate → |
| 28x6.00R17 | 28.00" | -3.61% | -103 mm | 57.8 mph | calculate → |
| 275/50R17 | 27.83" | -4.20% | +20 mm | 57.5 mph | calculate → |
| 225/70R17 | 29.40" | +1.22% | -30 mm | 60.7 mph | calculate → |
| 245/60R17 | 28.57" | -1.63% | -10 mm | 59.0 mph | calculate → |
| 345/40R17 | 27.87" | -4.07% | +90 mm | 57.6 mph | calculate → |
| 285/60R17 | 30.46" | +4.88% | +30 mm | 62.9 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" | +0.19% | -20 mm | 60.1 mph | compare → |
| 255/55R18 common | 29.04" | -0.01% | 0 mm | 60.0 mph | compare → |
| 225/75R16 common | 29.29" | +0.83% | -30 mm | 60.5 mph | compare → |
| 235/70R16 common | 28.95" | -0.33% | -20 mm | 59.8 mph | compare → |
| 255/65R16 | 29.05" | +0.01% | 0 mm | 60.0 mph | compare → |
| 155/90R18 | 28.98" | -0.22% | -100 mm | 59.9 mph | calculate → |
| 285/50R18 | 29.22" | +0.60% | +30 mm | 60.4 mph | calculate → |
| 305/45R18 | 28.81" | -0.83% | +50 mm | 59.5 mph | calculate → |
| 205/80R16 | 28.91" | -0.46% | -50 mm | 59.7 mph | calculate → |
| 275/60R16 | 28.99" | -0.19% | +20 mm | 59.9 mph | calculate → |
Try another size against 255/60R17
Questions
What size is 255/60R17 in inches?
255/60R17 is about 29.0" tall and 10.0" wide on a 17-inch rim — roughly a 29x10.00R17 in inch sizing.
What does 255/60R17 mean?
255 mm section width, sidewall 60% of the width (6.02"), radial construction, 17-inch rim.
What tire sizes are equivalent to 255/60R17?
On the same 17" rim, within 3% of the diameter: 235/65R17 (-0.07%), 275/55R17 (-0.47%), 215/70R17 (-0.68%), 165/90R17 (-1.22%), 175/90R17 (+1.22%), 225/70R17 (+1.22%).
How many revolutions per mile does a 255/60R17 tire make?
About 694 revolutions per mile (circumference 91.3").
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.