235/55R18 tire size
A 235/55R18 tire is 28.18 in (715.7 mm) tall and 9.25 in (235.0 mm) wide, and turns 716 revolutions per mile.
- 28.18 inOverall diameter
- 5.09 inSidewall height
- 716Revolutions per mile
- 28.2x9.3R18Flotation equivalent
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter | 28.18 in | 715.7 mm |
| Section width | 9.25 in | 235.0 mm |
| Sidewall height | 5.09 in | 129.3 mm |
| Rim diameter | 18.00 in | 457.2 mm |
| Circumference | 88.52 in | 2,248 mm |
| Revolutions per mile | 716 | |
| Flotation equivalent | 28.2x9.3R18 (approx.) | |
235/55R18 is a 18-inch tire with a 235 mm (9.25 in) section width and a 55% aspect ratio, giving a 5.09-inch sidewall and a flotation-style size of about 28.2x9.3R18.
Its overall diameter is 28.18 inches, so it rolls 88.5 inches per revolution and turns about 716 times per mile.
71 other sizes in this list are within 3% of that diameter.
Compare 235/55R18 with plausible swaps
- 235/65R16 vs 235/55R18 (−0.53%)
- 205/75R16 vs 235/55R18 (−0.25%)
- 225/70R16 vs 235/55R18 (+0.80%)
- 245/65R16 vs 235/55R18 (+1.29%)
- 215/65R17 vs 235/55R18 (−0.61%)
- 235/60R17 vs 235/55R18 (−0.27%)
- 235/50R18 vs 235/55R18 (−3.28%)
- 215/55R18 vs 235/55R18 (−3.07%)
- 225/55R18 vs 235/55R18 (−1.54%)
- 255/50R18 vs 235/55R18 (−0.49%)
- 285/45R18 vs 235/55R18 (−0.28%)
- 235/55R18 vs 245/55R18 (+1.54%)
- 235/55R18 vs 255/55R18 (+3.07%)
- 235/55R18 vs 235/60R18 (+3.28%)
- 235/55R18 vs 285/40R19 (−0.71%)
- 235/55R18 vs 255/45R19 (−0.50%)
- 235/55R18 vs 235/50R19 (+0.27%)
- 235/55R18 vs 295/40R19 (+0.41%)
- 235/55R18 vs 265/45R19 (+0.75%)
- 235/55R18 vs 255/40R20 (−0.52%)
- 235/55R18 vs 295/35R20 (−0.17%)
- 235/55R18 vs 235/45R20 (+0.53%)
- 235/55R18 vs 265/40R20 (+0.60%)
Sizes within 3% of 28.18 in diameter
- 305/30R21 28.20 in (+0.10%)
- 295/35R20 28.13 in (−0.17%)
- 205/75R16 28.11 in (−0.25%)
- 235/50R19 28.25 in (+0.27%)
- 235/60R17 28.10 in (−0.27%)
- 285/45R18 28.10 in (−0.28%)
- 265/30R22 28.26 in (+0.29%)
- 225/75R15 28.29 in (+0.39%)
- 295/40R19 28.29 in (+0.41%)
- 265/35R21 28.30 in (+0.45%)
- 255/50R18 28.04 in (−0.49%)
- 255/45R19 28.04 in (−0.50%)
- 255/40R20 28.03 in (−0.52%)
- 235/45R20 28.33 in (+0.53%)
- 235/65R16 28.03 in (−0.53%)
- 255/35R21 28.03 in (−0.53%)
- 255/30R22 28.02 in (−0.54%)
- 265/40R20 28.35 in (+0.60%)
- 215/65R17 28.00 in (−0.61%)
- 285/40R19 27.98 in (−0.71%)
- 295/30R21 27.97 in (−0.74%)
- 265/45R19 28.39 in (+0.75%)
- 225/70R16 28.40 in (+0.80%)
- 235/70R15 27.95 in (−0.80%)
- 265/50R18 28.43 in (+0.91%)
- 275/30R22 28.50 in (+1.13%)
- 225/50R19 27.86 in (−1.13%)
- 285/35R20 27.85 in (−1.15%)
- 215/70R16 27.85 in (−1.16%)
- 225/65R17 28.52 in (+1.20%)
- 245/65R16 28.54 in (+1.29%)
- 295/25R22 27.81 in (−1.31%)
- 245/30R22 27.79 in (−1.38%)
- 245/60R17 28.57 in (+1.41%)
- 275/35R21 28.58 in (+1.43%)
- 245/35R21 27.75 in (−1.51%)
- 225/55R18 27.74 in (−1.54%)
- 275/45R18 27.74 in (−1.54%)
- 245/55R18 28.61 in (+1.54%)
- 225/60R18 28.63 in (+1.61%)
- 245/40R20 27.72 in (−1.63%)
- 245/50R19 28.65 in (+1.66%)
- 215/75R15 27.70 in (−1.70%)
- 275/40R20 28.66 in (+1.72%)
- 245/45R19 27.68 in (−1.76%)
- 325/30R21 28.68 in (+1.77%)
- 245/45R20 28.68 in (+1.79%)
- 315/35R20 28.68 in (+1.79%)
- 275/40R19 27.66 in (−1.83%)
- 215/75R16 28.70 in (+1.84%)
- 245/50R18 27.65 in (−1.89%)
- 245/40R21 28.72 in (+1.91%)
- 225/60R17 27.63 in (−1.94%)
- 285/30R22 28.73 in (+1.97%)
- 225/55R19 28.74 in (+2.01%)
- 275/45R19 28.74 in (+2.01%)
- 245/55R17 27.61 in (−2.01%)
- 245/35R22 28.75 in (+2.04%)
- 275/35R20 27.58 in (−2.12%)
- 245/60R16 27.57 in (−2.14%)
- 225/65R16 27.52 in (−2.35%)
- 285/35R21 28.85 in (+2.40%)
- 275/30R21 27.50 in (−2.42%)
- 235/75R15 28.88 in (+2.49%)
- 305/35R19 27.41 in (−2.74%)
- 235/70R16 28.95 in (+2.75%)
- 225/70R15 27.40 in (−2.75%)
- 265/45R18 27.39 in (−2.79%)
- 295/30R22 28.97 in (+2.81%)
- 285/40R20 28.98 in (+2.84%)
- 265/40R19 27.35 in (−2.95%)
Open 235/55R18 in the tire size calculator
Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.