285/60R18 tire size

A 285/60R18 tire is 31.46 in (799.2 mm) tall and 11.22 in (285.0 mm) wide, and turns 641 revolutions per mile.

• 31.46 inOverall diameter
• 6.73 inSidewall height
• 641Revolutions per mile
• 31.5x11.2R18Flotation equivalent

285/60R18 is a 18-inch tire with a 285 mm (11.22 in) section width and a 60% aspect ratio, giving a 6.73-inch sidewall and a flotation-style size of about 31.5x11.2R18.

Its overall diameter is 31.46 inches, so it rolls 98.8 inches per revolution and turns about 641 times per mile.

52 other sizes in this list are within 3% of that diameter.

Compare 285/60R18 with plausible swaps

• 31x10.50R16 vs 285/60R18 (−1.48%)
• 265/75R16 vs 285/60R18 (+0.59%)
• 235/85R16 vs 285/60R18 (+0.84%)
• 255/70R17 vs 285/60R18 (−1.30%)
• 275/65R17 vs 285/60R18 (−1.24%)
• 245/75R17 vs 285/60R18 (+0.01%)
• 285/65R17 vs 285/60R18 (+0.39%)
• 265/70R17 vs 285/60R18 (+0.45%)
• 235/80R17 vs 285/60R18 (+1.08%)
• 265/60R18 vs 285/60R18 (−3.00%)
• 275/60R18 vs 285/60R18 (−1.50%)
• 255/65R18 vs 285/60R18 (−1.31%)
• 285/60R18 vs 265/65R18 (+0.31%)
• 285/60R18 vs 285/65R18 (+3.57%)
• 285/60R18 vs 33x12.50R18 (+4.88%)
• 285/60R18 vs 255/60R19 (−1.33%)
• 285/60R18 vs 255/55R20 (−1.34%)
• 285/60R18 vs 285/50R20 (−0.78%)
• 285/60R18 vs 265/55R20 (+0.04%)
• 285/60R18 vs 275/55R20 (+1.41%)
• 285/60R18 vs 305/50R20 (+1.73%)

Sizes within 3% of 31.46 in diameter

• 245/75R17 31.47 in (+0.01%)
• 265/55R20 31.48 in (+0.04%)
• 265/50R21 31.43 in (−0.10%)
• 265/45R22 31.39 in (−0.24%)
• 265/65R18 31.56 in (+0.31%)
• 285/65R17 31.59 in (+0.39%)
• 265/70R17 31.61 in (+0.45%)
• 305/40R22 31.61 in (+0.45%)
• 295/40R22 31.29 in (−0.55%)
• 265/75R16 31.65 in (+0.59%)
• 285/50R20 31.22 in (−0.78%)
• 305/30R24 31.20 in (−0.83%)
• 235/85R16 31.73 in (+0.84%)
• 275/45R22 31.74 in (+0.89%)
• 235/80R17 31.80 in (+1.08%)
• 275/50R21 31.83 in (+1.15%)
• 285/45R21 31.10 in (−1.16%)
• 275/65R17 31.07 in (−1.24%)
• 255/70R17 31.06 in (−1.30%)
• 255/65R18 31.05 in (−1.31%)
• 255/60R19 31.05 in (−1.33%)
• 255/55R20 31.04 in (−1.34%)
• 255/50R21 31.04 in (−1.35%)
• 235/65R19 31.03 in (−1.39%)
• 275/55R20 31.91 in (+1.41%)
• 31x10.50R15 31.00 in (−1.48%)
• 31x10.50R16 31.00 in (−1.48%)
• 275/60R18 30.99 in (−1.50%)
• 285/40R22 30.98 in (−1.55%)
• 32x11.50R15 32.00 in (+1.70%)
• 305/50R20 32.01 in (+1.73%)
• 275/55R19 30.91 in (−1.76%)
• 255/60R20 32.05 in (+1.85%)
• 235/75R17 30.88 in (−1.86%)
• 255/70R18 32.06 in (+1.88%)
• 255/75R17 32.06 in (+1.89%)
• 275/65R18 32.07 in (+1.94%)
• 285/45R22 32.10 in (+2.01%)
• 275/50R20 30.83 in (−2.03%)
• 305/45R20 30.81 in (−2.09%)
• 295/35R24 32.13 in (+2.11%)
• 275/70R17 32.16 in (+2.20%)
• 275/45R21 30.74 in (−2.29%)
• 285/30R24 30.73 in (−2.33%)
• 275/40R22 30.66 in (−2.55%)
• 265/75R15 30.65 in (−2.59%)
• 245/55R20 30.61 in (−2.72%)
• 265/70R16 30.61 in (−2.73%)
• 285/55R20 32.34 in (+2.79%)
• 265/65R17 30.56 in (−2.87%)
• 245/65R18 30.54 in (−2.94%)
• 305/35R24 32.41 in (+2.99%)

Open 285/60R18 in the tire size calculator

Source: Calculated from standard tire geometry formulas. Verified 2026-09-27. How these numbers are calculated.