235/50R15 tire size
235/50R15 is a metric size: 24.3" tall, 9.3" wide, on a 15" rim — about a 24.5x9.50R15. The sidewall is 4.6" and the tire turns 832 times per mile.
235/50R15 specs
| Overall diameter (height) | 24.25" · 616 mm |
|---|---|
| Section width | 9.25" · 235 mm |
| Sidewall height | 4.63" · 118 mm (50% of width) |
| Rim diameter | 15" |
| Circumference | 76.19" · 1.935 m |
| Revolutions per mile | 832 (517 per km) |
| Inch (flotation) equivalent | 24.5x9.50R15 |
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 | |
|---|---|---|---|---|---|
| 195/65R15 common | 24.98" | +3.00% | -40 mm | 61.8 mph | calculate → |
| 185/65R15 common | 24.47" | +0.89% | -50 mm | 60.5 mph | calculate → |
| 195/60R15 common | 24.21" | -0.16% | -40 mm | 59.9 mph | calculate → |
| 185/60R15 common | 23.74" | -2.11% | -50 mm | 58.7 mph | calculate → |
| 175/65R15 | 23.96" | -1.22% | -60 mm | 59.3 mph | calculate → |
| 205/50R15 | 23.07" | -4.87% | -30 mm | 57.1 mph | calculate → |
| 205/60R15 | 24.69" | +1.79% | -30 mm | 61.1 mph | calculate → |
| 195/55R15 | 23.44" | -3.33% | -40 mm | 58.0 mph | calculate → |
| 215/60R15 | 25.16" | +3.73% | -20 mm | 62.2 mph | calculate → |
| 225/50R15 | 23.86" | -1.62% | -10 mm | 59.0 mph | calculate → |
| 345/35R15 | 24.51" | +1.06% | +110 mm | 60.6 mph | calculate → |
| 205/55R15 | 23.88" | -1.54% | -30 mm | 59.1 mph | calculate → |
| 245/50R15 | 24.65" | +1.62% | +10 mm | 61.0 mph | calculate → |
| 295/35R15 | 23.13" | -4.63% | +60 mm | 57.2 mph | calculate → |
| 24.5x8.00R15 | 24.50" | +1.02% | -32 mm | 60.6 mph | calculate → |
| 155/80R15 | 24.76" | +2.11% | -80 mm | 61.3 mph | calculate → |
| 165/65R15 | 23.44" | -3.33% | -70 mm | 58.0 mph | calculate → |
| 185/70R15 | 25.20" | +3.90% | -50 mm | 62.3 mph | calculate → |
| 175/60R15 | 23.27" | -4.06% | -60 mm | 57.6 mph | calculate → |
| 265/50R15 | 25.43" | +4.87% | +30 mm | 62.9 mph | calculate → |
| 175/70R15 | 24.65" | +1.62% | -60 mm | 61.0 mph | calculate → |
| 225/55R15 | 24.74" | +2.03% | -10 mm | 61.2 mph | calculate → |
| 215/50R15 | 23.46" | -3.25% | -20 mm | 58.1 mph | calculate → |
| 165/80R15 | 25.39" | +4.71% | -70 mm | 62.8 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 | |
|---|---|---|---|---|---|
| 195/55R16 common | 24.44" | +0.80% | -40 mm | 60.5 mph | calculate → |
| 205/50R16 | 24.07" | -0.75% | -30 mm | 59.6 mph | calculate → |
| 185/55R16 | 24.01" | -0.99% | -50 mm | 59.4 mph | calculate → |
| 185/70R14 | 24.20" | -0.23% | -50 mm | 59.9 mph | calculate → |
| 175/60R16 | 24.27" | +0.06% | -60 mm | 60.0 mph | calculate → |
| 215/60R14 | 24.16" | -0.39% | -20 mm | 59.8 mph | calculate → |
| 165/80R14 | 24.39" | +0.58% | -70 mm | 60.4 mph | calculate → |
| 215/50R16 | 24.46" | +0.88% | -20 mm | 60.5 mph | calculate → |
Try another size against 235/50R15
Questions
What size is 235/50R15 in inches?
235/50R15 is about 24.3" tall and 9.3" wide on a 15-inch rim — roughly a 24.5x9.50R15 in inch sizing.
What does 235/50R15 mean?
235 mm section width, sidewall 50% of the width (4.63"), radial construction, 15-inch rim.
What tire sizes are equivalent to 235/50R15?
On the same 15" rim, within 3% of the diameter: 195/60R15 (-0.16%), 185/65R15 (+0.89%), 24.5x8.00R15 (+1.02%), 345/35R15 (+1.06%), 175/65R15 (-1.22%), 205/55R15 (-1.54%).
How many revolutions per mile does a 235/50R15 tire make?
About 832 revolutions per mile (circumference 76.2").
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.