275/70R17 tire size
275/70R17 is a metric size: 32.2" tall, 10.8" wide, on a 17" rim — about a 32x11.00R17. The sidewall is 7.6" and the tire turns 627 times per mile.
275/70R17 specs
| Overall diameter (height) | 32.16" · 817 mm |
|---|---|
| Section width | 10.83" · 275 mm |
| Sidewall height | 7.58" · 193 mm (70% of width) |
| Rim diameter | 17" |
| Circumference | 101.03" · 2.566 m |
| Revolutions per mile | 627 (390 per km) |
| Inch (flotation) equivalent | 32x11.00R17 |
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 | 59.0 mph | compare → |
| 285/70R17 common | 32.71" | +1.71% | +10 mm | 61.0 mph | compare → |
| 245/75R17 common | 31.47" | -2.14% | -30 mm | 58.7 mph | compare → |
| 265/65R17 common | 30.56" | -4.96% | -10 mm | 57.0 mph | compare → |
| 235/80R17 common | 31.80" | -1.10% | -40 mm | 59.3 mph | compare → |
| 255/70R17 common | 31.06" | -3.43% | -20 mm | 57.9 mph | compare → |
| 255/75R17 | 32.06" | -0.31% | -20 mm | 59.8 mph | compare → |
| 295/70R17 | 33.26" | +3.43% | +20 mm | 62.1 mph | compare → |
| 235/75R17 | 30.88" | -3.98% | -40 mm | 57.6 mph | compare → |
| 33x12.50R17 | 33.00" | +2.62% | +43 mm | 61.6 mph | compare → |
| 255/80R17 | 33.06" | +2.82% | -20 mm | 61.7 mph | compare → |
| 305/65R17 | 32.61" | +1.41% | +30 mm | 60.8 mph | compare → |
| 275/65R17 | 31.07" | -3.37% | 0 mm | 58.0 mph | calculate → |
| 285/65R17 | 31.59" | -1.78% | +10 mm | 58.9 mph | calculate → |
| 32x11.50R17 | 32.00" | -0.49% | +17 mm | 59.7 mph | calculate → |
| 315/60R17 | 31.88" | -0.86% | +40 mm | 59.5 mph | calculate → |
| 33x10.50R17 | 33.00" | +2.62% | -8 mm | 61.6 mph | calculate → |
| 33x11.50R17 | 33.00" | +2.62% | +17 mm | 61.6 mph | calculate → |
| 33x13.50R17 | 33.00" | +2.62% | +68 mm | 61.6 mph | calculate → |
| 33x13.00R17 | 33.00" | +2.62% | +55 mm | 61.6 mph | calculate → |
| 33x9.50R17 | 33.00" | +2.62% | -34 mm | 61.6 mph | calculate → |
| 31x10.50R17 | 31.00" | -3.60% | -8 mm | 57.8 mph | calculate → |
| 315/55R17 | 30.64" | -4.71% | +40 mm | 57.2 mph | calculate → |
| 32x10.50R17 | 32.00" | -0.49% | -8 mm | 59.7 mph | calculate → |
| 235/85R17 | 32.73" | +1.78% | -40 mm | 61.1 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 | |
|---|---|---|---|---|---|
| 275/65R18 common | 32.07" | -0.26% | 0 mm | 59.8 mph | compare → |
| 255/70R18 common | 32.06" | -0.32% | -20 mm | 59.8 mph | compare → |
| 305/60R18 | 32.41" | +0.78% | +30 mm | 60.5 mph | compare → |
| 245/75R18 | 32.47" | +0.97% | -30 mm | 60.6 mph | calculate → |
| 32x11.50R16 | 32.00" | -0.49% | +17 mm | 59.7 mph | calculate → |
| 32x10.00R16 | 32.00" | -0.49% | -21 mm | 59.7 mph | calculate → |
| 32x9.00R16 | 32.00" | -0.49% | -46 mm | 59.7 mph | calculate → |
| 225/90R16 | 31.94" | -0.66% | -50 mm | 59.6 mph | calculate → |
Try another size against 275/70R17
Questions
What size is 275/70R17 in inches?
275/70R17 is about 32.2" tall and 10.8" wide on a 17-inch rim — roughly a 32x11.00R17 in inch sizing.
What does 275/70R17 mean?
275 mm section width, sidewall 70% of the width (7.58"), radial construction, 17-inch rim.
What tire sizes are equivalent to 275/70R17?
On the same 17" rim, within 3% of the diameter: 255/75R17 (-0.31%), 32x10.50R17 (-0.49%), 32x11.50R17 (-0.49%), 315/60R17 (-0.86%), 235/80R17 (-1.10%), 305/65R17 (+1.41%).
How many revolutions per mile does a 275/70R17 tire make?
About 627 revolutions per mile (circumference 101.0").
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.