215/60R18 tire size
215/60R18 is a metric size: 28.2" tall, 8.5" wide, on a 18" rim — about a 28x8.50R18. The sidewall is 5.1" and the tire turns 716 times per mile.
215/60R18 specs
| Overall diameter (height) | 28.16" · 715 mm |
|---|---|
| Section width | 8.46" · 215 mm |
| Sidewall height | 5.08" · 129 mm (60% of width) |
| Rim diameter | 18" |
| Circumference | 88.46" · 2.247 m |
| Revolutions per mile | 716 (445 per km) |
| Inch (flotation) equivalent | 28x8.50R18 |
Equivalent sizes on a 18" 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 | |
|---|---|---|---|---|---|
| 235/60R18 common | 29.10" | +3.36% | +20 mm | 62.0 mph | calculate → |
| 235/50R18 common | 27.25" | -3.22% | +20 mm | 58.1 mph | calculate → |
| 235/55R18 common | 28.18" | +0.07% | +20 mm | 60.0 mph | calculate → |
| 225/60R18 common | 28.63" | +1.68% | +10 mm | 61.0 mph | calculate → |
| 225/50R18 common | 26.86" | -4.61% | +10 mm | 57.2 mph | calculate → |
| 225/55R18 common | 27.74" | -1.47% | +10 mm | 59.1 mph | calculate → |
| 255/55R18 common | 29.04" | +3.15% | +40 mm | 61.9 mph | calculate → |
| 245/50R18 common | 27.65" | -1.82% | +30 mm | 58.9 mph | calculate → |
| 255/45R18 common | 27.04" | -3.98% | +40 mm | 57.6 mph | calculate → |
| 215/55R18 common | 27.31" | -3.01% | 0 mm | 58.2 mph | calculate → |
| 245/55R18 | 28.61" | +1.61% | +30 mm | 61.0 mph | calculate → |
| 275/45R18 | 27.74" | -1.47% | +60 mm | 59.1 mph | calculate → |
| 265/45R18 | 27.39" | -2.73% | +50 mm | 58.4 mph | calculate → |
| 295/40R18 | 27.29" | -3.08% | +80 mm | 58.2 mph | calculate → |
| 285/40R18 | 26.98" | -4.19% | +70 mm | 57.5 mph | calculate → |
| 345/35R18 | 27.51" | -2.31% | +130 mm | 58.6 mph | calculate → |
| 295/45R18 | 28.45" | +1.05% | +80 mm | 60.6 mph | calculate → |
| 255/50R18 | 28.04" | -0.42% | +40 mm | 59.7 mph | calculate → |
| 315/40R18 | 27.92" | -0.84% | +100 mm | 59.5 mph | calculate → |
| 155/90R18 | 28.98" | +2.94% | -60 mm | 61.8 mph | calculate → |
| 155/85R18 | 28.37" | +0.77% | -60 mm | 60.5 mph | calculate → |
| 305/40R18 | 27.61" | -1.96% | +90 mm | 58.8 mph | calculate → |
| 305/45R18 | 28.81" | +2.31% | +90 mm | 61.4 mph | calculate → |
| 285/50R18 | 29.22" | +3.78% | +70 mm | 62.3 mph | calculate → |
| 285/45R18 | 28.10" | -0.21% | +70 mm | 59.9 mph | calculate → |
| 28x12.00R18 | 28.00" | -0.56% | +90 mm | 59.7 mph | calculate → |
| 145/85R18 | 27.70" | -1.61% | -70 mm | 59.0 mph | calculate → |
| 145/80R18 | 27.13" | -3.64% | -70 mm | 57.8 mph | calculate → |
| 165/70R18 | 27.09" | -3.78% | -50 mm | 57.7 mph | calculate → |
| 325/35R18 | 26.96" | -4.26% | +110 mm | 57.4 mph | calculate → |
| 325/45R18 | 29.52" | +4.82% | +110 mm | 62.9 mph | calculate → |
| 28x10.00R18 | 28.00" | -0.56% | +39 mm | 59.7 mph | calculate → |
| 265/50R18 | 28.43" | +0.98% | +50 mm | 60.6 mph | calculate → |
| 205/60R18 | 27.69" | -1.68% | -10 mm | 59.0 mph | calculate → |
| 195/60R18 | 27.21" | -3.36% | -20 mm | 58.0 mph | calculate → |
| 265/55R18 | 29.48" | +4.68% | +50 mm | 62.8 mph | calculate → |
| 225/65R18 | 29.52" | +4.82% | +10 mm | 62.9 mph | calculate → |
Plus / minus sizing: 17" and 19" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 255/45R19 common | 28.04" | -0.43% | +40 mm | 59.7 mph | calculate → |
| 235/60R17 common | 28.10" | -0.20% | +20 mm | 59.9 mph | calculate → |
| 215/65R17 common | 28.00" | -0.55% | 0 mm | 59.7 mph | calculate → |
| 235/50R19 common | 28.25" | +0.34% | +20 mm | 60.2 mph | calculate → |
| 285/40R19 | 27.98" | -0.64% | +70 mm | 59.6 mph | calculate → |
| 295/40R19 | 28.29" | +0.48% | +80 mm | 60.3 mph | calculate → |
| 265/45R19 | 28.39" | +0.82% | +50 mm | 60.5 mph | calculate → |
| 255/55R17 | 28.04" | -0.41% | +40 mm | 59.8 mph | calculate → |
| 155/90R17 | 27.98" | -0.62% | -60 mm | 59.6 mph | calculate → |
| 28x6.00R17 | 28.00" | -0.56% | -63 mm | 59.7 mph | calculate → |
| 145/80R19 | 28.13" | -0.08% | -70 mm | 59.9 mph | calculate → |
Try another size against 215/60R18
Questions
What size is 215/60R18 in inches?
215/60R18 is about 28.2" tall and 8.5" wide on a 18-inch rim — roughly a 28x8.50R18 in inch sizing.
What does 215/60R18 mean?
215 mm section width, sidewall 60% of the width (5.08"), radial construction, 18-inch rim.
What tire sizes are equivalent to 215/60R18?
On the same 18" rim, within 3% of the diameter: 235/55R18 (+0.07%), 285/45R18 (-0.21%), 255/50R18 (-0.42%), 28x10.00R18 (-0.56%), 28x12.00R18 (-0.56%), 155/85R18 (+0.77%).
How many revolutions per mile does a 215/60R18 tire make?
About 716 revolutions per mile (circumference 88.5").
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.