155/60R15 tire size
155/60R15 is a metric size: 22.3" tall, 6.1" wide, on a 15" rim — about a 22.5x6.00R15. The sidewall is 3.7" and the tire turns 903 times per mile.
155/60R15 specs
| Overall diameter (height) | 22.32" · 567 mm |
|---|---|
| Section width | 6.10" · 155 mm |
| Sidewall height | 3.66" · 93 mm (60% of width) |
| Rim diameter | 15" |
| Circumference | 70.13" · 1.781 m |
| Revolutions per mile | 903 (561 per km) |
| Inch (flotation) equivalent | 22.5x6.00R15 |
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 | |
|---|---|---|---|---|---|
| 205/50R15 | 23.07" | +3.35% | +50 mm | 62.0 mph | calculate → |
| 185/55R15 | 23.01" | +3.09% | +30 mm | 61.9 mph | calculate → |
| 195/50R15 | 22.68" | +1.59% | +40 mm | 61.0 mph | calculate → |
| 225/45R15 | 22.97" | +2.91% | +70 mm | 61.7 mph | calculate → |
| 245/40R15 | 22.72" | +1.76% | +90 mm | 61.1 mph | calculate → |
| 175/55R15 | 22.58" | +1.15% | +20 mm | 60.7 mph | calculate → |
| 145/65R15 | 22.42" | +0.44% | -10 mm | 60.3 mph | calculate → |
| 275/35R15 | 22.58" | +1.15% | +120 mm | 60.7 mph | calculate → |
| 195/45R15 | 21.91" | -1.85% | +40 mm | 58.9 mph | calculate → |
| 165/60R15 | 22.80" | +2.12% | +10 mm | 61.3 mph | calculate → |
| 295/35R15 | 23.13" | +3.62% | +140 mm | 62.2 mph | calculate → |
| 22x8.00R15 | 22.00" | -1.45% | +48 mm | 59.1 mph | calculate → |
| 165/50R15 | 21.50" | -3.70% | +10 mm | 57.8 mph | calculate → |
| 175/60R15 | 23.27" | +4.23% | +20 mm | 62.5 mph | calculate → |
| 175/50R15 | 21.89" | -1.94% | +20 mm | 58.8 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 | |
|---|---|---|---|---|---|
| 165/65R14 | 22.44" | +0.55% | +10 mm | 60.3 mph | calculate → |
| 205/40R16 | 22.46" | +0.60% | +50 mm | 60.4 mph | calculate → |
| 175/60R14 | 22.27" | -0.25% | +20 mm | 59.9 mph | calculate → |
| 195/55R14 | 22.44" | +0.55% | +40 mm | 60.3 mph | calculate → |
| 195/40R16 | 22.14" | -0.81% | +40 mm | 59.5 mph | calculate → |
Try another size against 155/60R15
Questions
What size is 155/60R15 in inches?
155/60R15 is about 22.3" tall and 6.1" wide on a 15-inch rim — roughly a 22.5x6.00R15 in inch sizing.
What does 155/60R15 mean?
155 mm section width, sidewall 60% of the width (3.66"), radial construction, 15-inch rim.
What tire sizes are equivalent to 155/60R15?
On the same 15" rim, within 3% of the diameter: 145/65R15 (+0.44%), 175/55R15 (+1.15%), 275/35R15 (+1.15%), 22x8.00R15 (-1.45%), 195/50R15 (+1.59%), 245/40R15 (+1.76%).
How many revolutions per mile does a 155/60R15 tire make?
About 903 revolutions per mile (circumference 70.1").
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.