245/50R18 tire size
A 245/50R18 tire is 27.65 in (702.2 mm) tall and 9.65 in (245.0 mm) wide, and turns 730 revolutions per mile.
- 27.65 inOverall diameter
- 4.82 inSidewall height
- 730Revolutions per mile
- 27.6x9.6R18Flotation equivalent
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter | 27.65 in | 702.2 mm |
| Section width | 9.65 in | 245.0 mm |
| Sidewall height | 4.82 in | 122.5 mm |
| Rim diameter | 18.00 in | 457.2 mm |
| Circumference | 86.85 in | 2,206 mm |
| Revolutions per mile | 730 | |
| Flotation equivalent | 27.6x9.6R18 (approx.) | |
245/50R18 is a 18-inch tire with a 245 mm (9.65 in) section width and a 50% aspect ratio, giving a 4.82-inch sidewall and a flotation-style size of about 27.6x9.6R18.
Its overall diameter is 27.65 inches, so it rolls 86.9 inches per revolution and turns about 730 times per mile.
72 other sizes in this list are within 3% of that diameter.
Compare 245/50R18 with plausible swaps
- 225/65R16 vs 245/50R18 (−0.47%)
- 245/60R16 vs 245/50R18 (−0.26%)
- 215/70R16 vs 245/50R18 (+0.74%)
- 235/65R16 vs 245/50R18 (+1.38%)
- 245/55R17 vs 245/50R18 (−0.13%)
- 225/60R17 vs 245/50R18 (−0.06%)
- 245/45R18 vs 245/50R18 (−3.49%)
- 225/50R18 vs 245/50R18 (−2.85%)
- 235/50R18 vs 245/50R18 (−1.42%)
- 245/50R18 vs 225/55R18 (+0.36%)
- 245/50R18 vs 275/45R18 (+0.36%)
- 245/50R18 vs 255/50R18 (+1.42%)
- 245/50R18 vs 265/50R18 (+2.85%)
- 245/50R18 vs 245/55R18 (+3.49%)
- 245/50R18 vs 305/35R19 (−0.87%)
- 245/50R18 vs 275/40R19 (+0.06%)
- 245/50R18 vs 245/45R19 (+0.13%)
- 245/50R18 vs 225/50R19 (+0.77%)
- 245/50R18 vs 275/35R20 (−0.24%)
- 245/50R18 vs 245/40R20 (+0.26%)
- 245/50R18 vs 285/35R20 (+0.75%)
Sizes within 3% of 27.65 in diameter
- 275/40R19 27.66 in (+0.06%)
- 225/60R17 27.63 in (−0.06%)
- 245/45R19 27.68 in (+0.13%)
- 245/55R17 27.61 in (−0.13%)
- 215/75R15 27.70 in (+0.19%)
- 275/35R20 27.58 in (−0.24%)
- 245/40R20 27.72 in (+0.26%)
- 245/60R16 27.57 in (−0.26%)
- 225/55R18 27.74 in (+0.36%)
- 275/45R18 27.74 in (+0.36%)
- 245/35R21 27.75 in (+0.38%)
- 225/65R16 27.52 in (−0.47%)
- 245/30R22 27.79 in (+0.51%)
- 275/30R21 27.50 in (−0.54%)
- 295/25R22 27.81 in (+0.58%)
- 215/70R16 27.85 in (+0.74%)
- 285/35R20 27.85 in (+0.75%)
- 225/50R19 27.86 in (+0.77%)
- 305/35R19 27.41 in (−0.87%)
- 225/70R15 27.40 in (−0.88%)
- 265/45R18 27.39 in (−0.93%)
- 265/40R19 27.35 in (−1.08%)
- 235/70R15 27.95 in (+1.11%)
- 235/45R19 27.33 in (−1.15%)
- 295/30R21 27.97 in (+1.17%)
- 285/40R19 27.98 in (+1.20%)
- 215/55R18 27.31 in (−1.21%)
- 265/35R20 27.30 in (−1.24%)
- 295/40R18 27.29 in (−1.28%)
- 215/65R17 28.00 in (+1.30%)
- 225/75R14 27.29 in (−1.30%)
- 255/30R22 28.02 in (+1.37%)
- 235/65R16 28.03 in (+1.38%)
- 255/35R21 28.03 in (+1.38%)
- 255/40R20 28.03 in (+1.40%)
- 255/45R19 28.04 in (+1.41%)
- 235/50R18 27.25 in (−1.42%)
- 255/50R18 28.04 in (+1.42%)
- 285/45R18 28.10 in (+1.64%)
- 235/60R17 28.10 in (+1.65%)
- 205/75R16 28.11 in (+1.67%)
- 235/55R17 27.18 in (−1.69%)
- 295/35R20 28.13 in (+1.75%)
- 215/60R17 27.16 in (−1.77%)
- 295/35R19 27.13 in (−1.87%)
- 235/55R18 28.18 in (+1.92%)
- 205/75R15 27.11 in (−1.95%)
- 235/60R16 27.10 in (−1.97%)
- 305/30R21 28.20 in (+2.02%)
- 225/40R20 27.09 in (−2.02%)
- 235/50R19 28.25 in (+2.19%)
- 255/50R17 27.04 in (−2.19%)
- 255/45R18 27.04 in (−2.21%)
- 265/30R22 28.26 in (+2.22%)
- 255/40R19 27.03 in (−2.22%)
- 255/35R20 27.03 in (−2.24%)
- 225/75R15 28.29 in (+2.32%)
- 215/65R16 27.00 in (−2.32%)
- 295/40R19 28.29 in (+2.34%)
- 27x8.50R14 27.00 in (−2.34%)
- 265/35R21 28.30 in (+2.38%)
- 285/40R18 26.98 in (−2.42%)
- 225/45R19 26.97 in (−2.44%)
- 295/30R20 26.97 in (−2.45%)
- 235/45R20 28.33 in (+2.46%)
- 265/40R20 28.35 in (+2.53%)
- 265/45R19 28.39 in (+2.69%)
- 225/70R16 28.40 in (+2.73%)
- 225/50R18 26.86 in (−2.85%)
- 265/50R18 28.43 in (+2.85%)
- 285/35R19 26.85 in (−2.86%)
- 215/70R15 26.85 in (−2.88%)
Open 245/50R18 in the tire size calculator
Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.