235/75R17 tire size
235/75R17 is a metric size: 30.9" tall, 9.3" wide, on a 17" rim — about a 31x9.50R17. The sidewall is 6.9" and the tire turns 653 times per mile.
235/75R17 specs
| Overall diameter (height) | 30.88" · 784 mm |
|---|---|
| Section width | 9.25" · 235 mm |
| Sidewall height | 6.94" · 176 mm (75% of width) |
| Rim diameter | 17" |
| Circumference | 97.01" · 2.464 m |
| Revolutions per mile | 653 (406 per km) |
| Inch (flotation) equivalent | 31x9.50R17 |
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" | +2.36% | +30 mm | 61.4 mph | compare → |
| 245/70R17 common | 30.50" | -1.21% | +10 mm | 59.3 mph | compare → |
| 245/65R17 common | 29.54" | -4.34% | +10 mm | 57.4 mph | compare → |
| 245/75R17 common | 31.47" | +1.91% | +10 mm | 61.1 mph | compare → |
| 265/65R17 common | 30.56" | -1.02% | +30 mm | 59.4 mph | compare → |
| 235/80R17 common | 31.80" | +3.00% | 0 mm | 61.8 mph | compare → |
| 255/65R17 common | 30.05" | -2.68% | +20 mm | 58.4 mph | compare → |
| 255/70R17 common | 31.06" | +0.57% | +20 mm | 60.3 mph | compare → |
| 255/75R17 | 32.06" | +3.83% | +20 mm | 62.3 mph | compare → |
| 275/70R17 | 32.16" | +4.14% | +40 mm | 62.5 mph | compare → |
| 235/70R17 | 29.95" | -3.00% | 0 mm | 58.2 mph | compare → |
| 225/75R17 | 30.29" | -1.91% | -10 mm | 58.9 mph | compare → |
| 275/60R17 | 29.99" | -2.87% | +40 mm | 58.3 mph | calculate → |
| 275/65R17 | 31.07" | +0.64% | +40 mm | 60.4 mph | calculate → |
| 265/60R17 | 29.52" | -4.40% | +30 mm | 57.4 mph | calculate → |
| 285/65R17 | 31.59" | +2.30% | +50 mm | 61.4 mph | calculate → |
| 31x10.50R17 | 31.00" | +0.40% | +32 mm | 60.2 mph | calculate → |
| 315/55R17 | 30.64" | -0.77% | +80 mm | 59.5 mph | calculate → |
| 315/60R17 | 31.88" | +3.25% | +80 mm | 62.0 mph | calculate → |
| 32x11.50R17 | 32.00" | +3.63% | +57 mm | 62.2 mph | calculate → |
| 175/90R17 | 29.40" | -4.78% | -60 mm | 57.1 mph | calculate → |
| 285/60R17 | 30.46" | -1.34% | +50 mm | 59.2 mph | calculate → |
| 32x10.50R17 | 32.00" | +3.63% | +32 mm | 62.2 mph | calculate → |
| 225/70R17 | 29.40" | -4.78% | -10 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 | |
|---|---|---|---|---|---|
| 265/70R16 common | 30.61" | -0.88% | +30 mm | 59.5 mph | compare → |
| 255/65R18 common | 31.05" | +0.56% | +20 mm | 60.3 mph | compare → |
| 275/60R18 | 30.99" | +0.37% | +40 mm | 60.2 mph | compare → |
| 275/70R16 | 31.16" | +0.91% | +40 mm | 60.5 mph | compare → |
| 235/80R16 | 30.80" | -0.24% | 0 mm | 59.9 mph | calculate → |
| 31x12.50R16 | 31.00" | +0.40% | +83 mm | 60.2 mph | calculate → |
| 285/65R16 | 30.59" | -0.94% | +50 mm | 59.4 mph | calculate → |
| 235/70R18 | 30.95" | +0.24% | 0 mm | 60.1 mph | calculate → |
| 31x10.50R16 | 31.00" | +0.40% | +32 mm | 60.2 mph | calculate → |
| 31x11.50R16 | 31.00" | +0.40% | +57 mm | 60.2 mph | calculate → |
| 31x11.00R16 | 31.00" | +0.40% | +44 mm | 60.2 mph | calculate → |
| 225/85R16 | 31.06" | +0.59% | -10 mm | 60.4 mph | calculate → |
Try another size against 235/75R17
Questions
What size is 235/75R17 in inches?
235/75R17 is about 30.9" tall and 9.3" wide on a 17-inch rim — roughly a 31x9.50R17 in inch sizing.
What does 235/75R17 mean?
235 mm section width, sidewall 75% of the width (6.94"), radial construction, 17-inch rim.
What tire sizes are equivalent to 235/75R17?
On the same 17" rim, within 3% of the diameter: 31x10.50R17 (+0.40%), 255/70R17 (+0.57%), 275/65R17 (+0.64%), 315/55R17 (-0.77%), 265/65R17 (-1.02%), 245/70R17 (-1.21%).
How many revolutions per mile does a 235/75R17 tire make?
About 653 revolutions per mile (circumference 97.0").
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.