185/60R15 tire size
185/60R15 is a metric size: 23.7" tall, 7.3" wide, on a 15" rim — about a 23.5x7.50R15. The sidewall is 4.4" and the tire turns 850 times per mile.
185/60R15 specs
| Overall diameter (height) | 23.74" · 603 mm |
|---|---|
| Section width | 7.28" · 185 mm |
| Sidewall height | 4.37" · 111 mm (60% of width) |
| Rim diameter | 15" |
| Circumference | 74.58" · 1.894 m |
| Revolutions per mile | 850 (528 per km) |
| Inch (flotation) equivalent | 23.5x7.50R15 |
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 | |
|---|---|---|---|---|---|
| 185/65R15 common | 24.47" | +3.07% | 0 mm | 61.8 mph | compare → |
| 195/60R15 common | 24.21" | +1.99% | +10 mm | 61.2 mph | compare → |
| 175/65R15 | 23.96" | +0.91% | -10 mm | 60.5 mph | compare → |
| 205/50R15 | 23.07" | -2.82% | +20 mm | 58.3 mph | compare → |
| 195/55R15 | 23.44" | -1.24% | +10 mm | 59.3 mph | compare → |
| 185/55R15 | 23.01" | -3.07% | 0 mm | 58.2 mph | compare → |
| 205/60R15 | 24.69" | +3.98% | +20 mm | 62.4 mph | compare → |
| 225/45R15 | 22.97" | -3.23% | +40 mm | 58.1 mph | compare → |
| 195/50R15 | 22.68" | -4.48% | +10 mm | 57.3 mph | compare → |
| 225/50R15 | 23.86" | +0.50% | +40 mm | 60.3 mph | compare → |
| 245/40R15 | 22.72" | -4.31% | +60 mm | 57.4 mph | compare → |
| 175/55R15 | 22.58" | -4.89% | -10 mm | 57.1 mph | calculate → |
| 205/55R15 | 23.88" | +0.58% | +20 mm | 60.3 mph | calculate → |
| 295/35R15 | 23.13" | -2.57% | +110 mm | 58.5 mph | calculate → |
| 345/35R15 | 24.51" | +3.23% | +160 mm | 61.9 mph | calculate → |
| 245/50R15 | 24.65" | +3.81% | +60 mm | 62.3 mph | calculate → |
| 165/60R15 | 22.80" | -3.98% | -20 mm | 57.6 mph | calculate → |
| 275/35R15 | 22.58" | -4.89% | +90 mm | 57.1 mph | calculate → |
| 165/65R15 | 23.44" | -1.24% | -20 mm | 59.3 mph | calculate → |
| 175/60R15 | 23.27" | -1.99% | -10 mm | 58.8 mph | calculate → |
| 235/50R15 | 24.25" | +2.16% | +50 mm | 61.3 mph | calculate → |
| 24.5x8.00R15 | 24.50" | +3.20% | +18 mm | 61.9 mph | calculate → |
| 155/80R15 | 24.76" | +4.31% | -30 mm | 62.6 mph | calculate → |
| 215/50R15 | 23.46" | -1.16% | +30 mm | 59.3 mph | calculate → |
| 175/70R15 | 24.65" | +3.81% | -10 mm | 62.3 mph | calculate → |
| 225/55R15 | 24.74" | +4.23% | +40 mm | 62.5 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 | |
|---|---|---|---|---|---|
| 195/50R16 | 23.68" | -0.27% | +10 mm | 59.8 mph | compare → |
| 175/70R14 | 23.65" | -0.40% | -10 mm | 59.8 mph | compare → |
| 215/45R16 | 23.62" | -0.51% | +30 mm | 59.7 mph | calculate → |
| 225/45R16 | 23.97" | +0.98% | +40 mm | 60.6 mph | calculate → |
| 205/60R14 | 23.69" | -0.23% | +20 mm | 59.9 mph | calculate → |
| 175/55R16 | 23.58" | -0.68% | -10 mm | 59.6 mph | calculate → |
Try another size against 185/60R15
Questions
What size is 185/60R15 in inches?
185/60R15 is about 23.7" tall and 7.3" wide on a 15-inch rim — roughly a 23.5x7.50R15 in inch sizing.
What does 185/60R15 mean?
185 mm section width, sidewall 60% of the width (4.37"), radial construction, 15-inch rim.
What tire sizes are equivalent to 185/60R15?
On the same 15" rim, within 3% of the diameter: 225/50R15 (+0.50%), 205/55R15 (+0.58%), 175/65R15 (+0.91%), 215/50R15 (-1.16%), 165/65R15 (-1.24%), 195/55R15 (-1.24%).
How many revolutions per mile does a 185/60R15 tire make?
About 850 revolutions per mile (circumference 74.6").
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.