27x9.50R15 tire size
27x9.50R15 is a flotation (inch) size: 27.0" tall, 9.5" wide, on a 15" rim — about a 240/65R15. The sidewall is 6.0" and the tire turns 747 times per mile.
27x9.50R15 specs
| Overall diameter (height) | 27.00" · 686 mm |
|---|---|
| Section width | 9.50" · 241 mm |
| Sidewall height | 6.00" · 152 mm (63% of width) |
| Rim diameter | 15" |
| Circumference | 84.82" · 2.155 m |
| Revolutions per mile | 747 (464 per km) |
| Closest metric size | 240/65R15 |
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" | -0.55% | -26 mm | 59.7 mph | calculate → |
| 205/70R15 | 26.30" | -2.60% | -36 mm | 58.4 mph | calculate → |
| 225/70R15 | 27.40" | +1.49% | -16 mm | 60.9 mph | calculate → |
| 215/75R15 | 27.70" | +2.58% | -26 mm | 61.5 mph | calculate → |
| 225/75R15 | 28.29" | +4.77% | -16 mm | 62.9 mph | calculate → |
| 215/65R15 | 26.00" | -3.69% | -26 mm | 57.8 mph | calculate → |
| 205/75R15 | 27.11" | +0.39% | -36 mm | 60.2 mph | calculate → |
| 235/70R15 | 27.95" | +3.53% | -6 mm | 62.1 mph | calculate → |
| 275/60R15 | 27.99" | +3.67% | +34 mm | 62.2 mph | calculate → |
| 255/60R15 | 27.05" | +0.17% | +14 mm | 60.1 mph | calculate → |
| 235/60R15 | 26.10" | -3.32% | -6 mm | 58.0 mph | calculate → |
| 275/50R15 | 25.83" | -4.35% | +34 mm | 57.4 mph | calculate → |
| 195/70R15 | 25.75" | -4.64% | -46 mm | 57.2 mph | calculate → |
| 295/50R15 | 26.61" | -1.43% | +54 mm | 59.1 mph | calculate → |
| 245/60R15 | 26.57" | -1.57% | +4 mm | 59.1 mph | calculate → |
| 325/50R15 | 27.80" | +2.95% | +84 mm | 61.8 mph | calculate → |
| 26x10.00R15 | 26.00" | -3.70% | +13 mm | 57.8 mph | calculate → |
| 295/55R15 | 27.78" | +2.87% | +54 mm | 61.7 mph | calculate → |
| 26x8.50R15 | 26.00" | -3.70% | -25 mm | 57.8 mph | calculate → |
| 28x10.50R15 | 28.00" | +3.70% | +26 mm | 62.2 mph | calculate → |
| 28x11.50R15 | 28.00" | +3.70% | +51 mm | 62.2 mph | calculate → |
| 28x9.00R15 | 28.00" | +3.70% | -12 mm | 62.2 mph | calculate → |
| 26x10.50R15 | 26.00" | -3.70% | +26 mm | 57.8 mph | calculate → |
| 26x12.00R15 | 26.00" | -3.70% | +64 mm | 57.8 mph | calculate → |
| 26x6.00R15 | 26.00" | -3.70% | -89 mm | 57.8 mph | calculate → |
| 26x7.50R15 | 26.00" | -3.70% | -50 mm | 57.8 mph | calculate → |
| 26x8.00R15 | 26.00" | -3.70% | -38 mm | 57.8 mph | calculate → |
| 28x10.00R15 | 28.00" | +3.70% | +13 mm | 62.2 mph | calculate → |
| 28x12.00R15 | 28.00" | +3.70% | +64 mm | 62.2 mph | calculate → |
| 28x6.00R15 | 28.00" | +3.70% | -89 mm | 62.2 mph | calculate → |
| 28x7.50R15 | 28.00" | +3.70% | -50 mm | 62.2 mph | calculate → |
| 27x10.50R15 | 27.00" | 0.00% | +26 mm | 60.0 mph | calculate → |
| 235/65R15 | 27.03" | +0.10% | -6 mm | 60.1 mph | calculate → |
| 185R15 | 26.94" | -0.20% | -56 mm | 59.9 mph | calculate → |
| 26x11.50R15 | 26.00" | -3.70% | +51 mm | 57.8 mph | calculate → |
| 28x12.50R15 | 28.00" | +3.70% | +77 mm | 62.2 mph | calculate → |
| 28x13.50R15 | 28.00" | +3.70% | +102 mm | 62.2 mph | calculate → |
| 255/65R15 | 28.05" | +3.89% | +14 mm | 62.3 mph | calculate → |
| 165R15 | 25.65" | -4.99% | -76 mm | 57.0 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" | +0.01% | -26 mm | 60.0 mph | calculate → |
| 235/60R16 common | 27.10" | +0.38% | -6 mm | 60.2 mph | calculate → |
| 155/90R16 | 26.98" | -0.06% | -86 mm | 60.0 mph | calculate → |
| 27x11.00R14 | 27.00" | 0.00% | +38 mm | 60.0 mph | calculate → |
| 27x8.50R14 | 27.00" | 0.00% | -25 mm | 60.0 mph | calculate → |
| 27x9.50R14 | 27.00" | 0.00% | 0 mm | 60.0 mph | calculate → |
| 27x9.00R14 | 27.00" | 0.00% | -12 mm | 60.0 mph | calculate → |
| 355/40R16 | 27.18" | +0.67% | +114 mm | 60.4 mph | calculate → |
| 205R14 | 27.24" | +0.87% | -36 mm | 60.5 mph | calculate → |
Try another size against 27x9.50R15
Questions
What size is 27x9.50R15 in inches?
27x9.50R15 is about 27.0" tall and 9.5" wide on a 15-inch rim — roughly a 240/65R15 in inch sizing.
What does 27x9.50R15 mean?
27" overall diameter, 9.50" section width, radial, 15" rim.
What tire sizes are equivalent to 27x9.50R15?
On the same 15" rim, within 3% of the diameter: 27x10.50R15 (0.00%), 235/65R15 (+0.10%), 255/60R15 (+0.17%), 185R15 (-0.20%), 205/75R15 (+0.39%), 215/70R15 (-0.55%).
How many revolutions per mile does a 27x9.50R15 tire make?
About 747 revolutions per mile (circumference 84.8").
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.