235/65R15 tire size
235/65R15 is a metric size: 27.0" tall, 9.3" wide, on a 15" rim — about a 27x9.50R15. The sidewall is 6.0" and the tire turns 746 times per mile.
235/65R15 specs
| Overall diameter (height) | 27.03" · 687 mm |
|---|---|
| Section width | 9.25" · 235 mm |
| Sidewall height | 6.01" · 153 mm (65% of width) |
| Rim diameter | 15" |
| Circumference | 84.91" · 2.157 m |
| Revolutions per mile | 746 (464 per km) |
| Inch (flotation) equivalent | 27x9.50R15 |
Equivalent sizes on a 15" 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 | |
|---|---|---|---|---|---|
| 215/70R15 | 26.85" | -0.66% | -20 mm | 59.6 mph | calculate → |
| 205/70R15 | 26.30" | -2.69% | -30 mm | 58.4 mph | calculate → |
| 225/70R15 | 27.40" | +1.38% | -10 mm | 60.8 mph | calculate → |
| 215/75R15 | 27.70" | +2.48% | -20 mm | 61.5 mph | calculate → |
| 225/75R15 | 28.29" | +4.66% | -10 mm | 62.8 mph | calculate → |
| 215/65R15 | 26.00" | -3.79% | -20 mm | 57.7 mph | calculate → |
| 205/75R15 | 27.11" | +0.29% | -30 mm | 60.2 mph | calculate → |
| 235/70R15 | 27.95" | +3.42% | 0 mm | 62.1 mph | calculate → |
| 275/60R15 | 27.99" | +3.57% | +40 mm | 62.1 mph | calculate → |
| 255/60R15 | 27.05" | +0.07% | +20 mm | 60.0 mph | calculate → |
| 235/60R15 | 26.10" | -3.42% | 0 mm | 57.9 mph | calculate → |
| 275/50R15 | 25.83" | -4.44% | +40 mm | 57.3 mph | calculate → |
| 195/70R15 | 25.75" | -4.73% | -40 mm | 57.2 mph | calculate → |
| 295/50R15 | 26.61" | -1.53% | +60 mm | 59.1 mph | calculate → |
| 245/60R15 | 26.57" | -1.68% | +10 mm | 59.0 mph | calculate → |
| 325/50R15 | 27.80" | +2.84% | +90 mm | 61.7 mph | calculate → |
| 26x10.00R15 | 26.00" | -3.80% | +19 mm | 57.7 mph | calculate → |
| 295/55R15 | 27.78" | +2.77% | +60 mm | 61.7 mph | calculate → |
| 28x10.50R15 | 28.00" | +3.60% | +32 mm | 62.2 mph | calculate → |
| 28x11.50R15 | 28.00" | +3.60% | +57 mm | 62.2 mph | calculate → |
| 28x9.00R15 | 28.00" | +3.60% | -6 mm | 62.2 mph | calculate → |
| 26x8.50R15 | 26.00" | -3.80% | -19 mm | 57.7 mph | calculate → |
| 27x9.50R15 | 27.00" | -0.10% | +6 mm | 59.9 mph | calculate → |
| 28x10.00R15 | 28.00" | +3.60% | +19 mm | 62.2 mph | calculate → |
| 28x12.00R15 | 28.00" | +3.60% | +70 mm | 62.2 mph | calculate → |
| 28x6.00R15 | 28.00" | +3.60% | -83 mm | 62.2 mph | calculate → |
| 28x7.50R15 | 28.00" | +3.60% | -44 mm | 62.2 mph | calculate → |
| 26x10.50R15 | 26.00" | -3.80% | +32 mm | 57.7 mph | calculate → |
| 26x12.00R15 | 26.00" | -3.80% | +70 mm | 57.7 mph | calculate → |
| 26x6.00R15 | 26.00" | -3.80% | -83 mm | 57.7 mph | calculate → |
| 26x7.50R15 | 26.00" | -3.80% | -44 mm | 57.7 mph | calculate → |
| 26x8.00R15 | 26.00" | -3.80% | -32 mm | 57.7 mph | calculate → |
| 27x10.50R15 | 27.00" | -0.10% | +32 mm | 59.9 mph | calculate → |
| 185R15 | 26.94" | -0.31% | -50 mm | 59.8 mph | calculate → |
| 28x12.50R15 | 28.00" | +3.60% | +83 mm | 62.2 mph | calculate → |
| 28x13.50R15 | 28.00" | +3.60% | +108 mm | 62.2 mph | calculate → |
| 255/65R15 | 28.05" | +3.79% | +20 mm | 62.3 mph | calculate → |
| 26x11.50R15 | 26.00" | -3.80% | +57 mm | 57.7 mph | calculate → |
Plus / minus sizing: 14" and 16" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 215/65R16 common | 27.00" | -0.09% | -20 mm | 59.9 mph | calculate → |
| 235/60R16 common | 27.10" | +0.28% | 0 mm | 60.2 mph | calculate → |
| 155/90R16 | 26.98" | -0.16% | -80 mm | 59.9 mph | calculate → |
| 27x11.00R14 | 27.00" | -0.10% | +44 mm | 59.9 mph | calculate → |
| 27x8.50R14 | 27.00" | -0.10% | -19 mm | 59.9 mph | calculate → |
| 27x9.50R14 | 27.00" | -0.10% | +6 mm | 59.9 mph | calculate → |
| 27x9.00R14 | 27.00" | -0.10% | -6 mm | 59.9 mph | calculate → |
| 355/40R16 | 27.18" | +0.57% | +120 mm | 60.3 mph | calculate → |
| 205R14 | 27.24" | +0.77% | -30 mm | 60.5 mph | calculate → |
Try another size against 235/65R15
Questions
What size is 235/65R15 in inches?
235/65R15 is about 27.0" tall and 9.3" wide on a 15-inch rim — roughly a 27x9.50R15 in inch sizing.
What does 235/65R15 mean?
235 mm section width, sidewall 65% of the width (6.01"), radial construction, 15-inch rim.
What tire sizes are equivalent to 235/65R15?
On the same 15" rim, within 3% of the diameter: 255/60R15 (+0.07%), 27x10.50R15 (-0.10%), 27x9.50R15 (-0.10%), 205/75R15 (+0.29%), 185R15 (-0.31%), 215/70R15 (-0.66%).
How many revolutions per mile does a 235/65R15 tire make?
About 746 revolutions per mile (circumference 84.9").
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.