285/40R19 tire size

A 285/40R19 tire is 27.98 in (710.6 mm) tall and 11.22 in (285.0 mm) wide, and turns 721 revolutions per mile.

• 27.98 inOverall diameter
• 4.49 inSidewall height
• 721Revolutions per mile
• 28.0x11.2R19Flotation equivalent

285/40R19 is a 19-inch tire with a 285 mm (11.22 in) section width and a 40% aspect ratio, giving a 4.49-inch sidewall and a flotation-style size of about 28.0x11.2R19.

Its overall diameter is 27.98 inches, so it rolls 87.9 inches per revolution and turns about 721 times per mile.

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

Compare 285/40R19 with plausible swaps

• 215/65R17 vs 285/40R19 (+0.10%)
• 235/60R17 vs 285/40R19 (+0.45%)
• 225/55R18 vs 285/40R19 (−0.83%)
• 275/45R18 vs 285/40R19 (−0.83%)
• 255/50R18 vs 285/40R19 (+0.23%)
• 285/45R18 vs 285/40R19 (+0.44%)
• 235/55R18 vs 285/40R19 (+0.72%)
• 285/35R19 vs 285/40R19 (−4.01%)
• 265/40R19 vs 285/40R19 (−2.25%)
• 275/40R19 vs 285/40R19 (−1.13%)
• 225/50R19 vs 285/40R19 (−0.42%)
• 285/40R19 vs 255/45R19 (+0.21%)
• 285/40R19 vs 295/40R19 (+1.13%)
• 285/40R19 vs 285/45R19 (+4.01%)
• 285/40R19 vs 245/40R20 (−0.93%)
• 285/40R19 vs 285/35R20 (−0.44%)
• 285/40R19 vs 255/40R20 (+0.20%)
• 285/40R19 vs 295/35R20 (+0.55%)
• 285/40R19 vs 245/35R21 (−0.80%)
• 285/40R19 vs 295/30R21 (−0.03%)
• 285/40R19 vs 255/35R21 (+0.18%)
• 285/40R19 vs 305/30R21 (+0.82%)

Sizes within 3% of 27.98 in diameter

• 295/30R21 27.97 in (−0.03%)
• 235/70R15 27.95 in (−0.08%)
• 215/65R17 28.00 in (+0.10%)
• 255/30R22 28.02 in (+0.17%)
• 235/65R16 28.03 in (+0.18%)
• 255/35R21 28.03 in (+0.18%)
• 255/40R20 28.03 in (+0.20%)
• 255/45R19 28.04 in (+0.21%)
• 255/50R18 28.04 in (+0.23%)
• 225/50R19 27.86 in (−0.42%)
• 285/35R20 27.85 in (−0.44%)
• 285/45R18 28.10 in (+0.44%)
• 215/70R16 27.85 in (−0.45%)
• 235/60R17 28.10 in (+0.45%)
• 205/75R16 28.11 in (+0.46%)
• 295/35R20 28.13 in (+0.55%)
• 295/25R22 27.81 in (−0.61%)
• 245/30R22 27.79 in (−0.68%)
• 235/55R18 28.18 in (+0.72%)
• 245/35R21 27.75 in (−0.80%)
• 305/30R21 28.20 in (+0.82%)
• 225/55R18 27.74 in (−0.83%)
• 275/45R18 27.74 in (−0.83%)
• 245/40R20 27.72 in (−0.93%)
• 235/50R19 28.25 in (+0.99%)
• 215/75R15 27.70 in (−1.00%)
• 265/30R22 28.26 in (+1.01%)
• 245/45R19 27.68 in (−1.06%)
• 225/75R15 28.29 in (+1.11%)
• 275/40R19 27.66 in (−1.13%)
• 295/40R19 28.29 in (+1.13%)
• 265/35R21 28.30 in (+1.17%)
• 245/50R18 27.65 in (−1.18%)
• 225/60R17 27.63 in (−1.24%)
• 235/45R20 28.33 in (+1.25%)
• 245/55R17 27.61 in (−1.31%)
• 265/40R20 28.35 in (+1.32%)
• 275/35R20 27.58 in (−1.42%)
• 245/60R16 27.57 in (−1.44%)
• 265/45R19 28.39 in (+1.48%)
• 225/70R16 28.40 in (+1.52%)
• 265/50R18 28.43 in (+1.63%)
• 225/65R16 27.52 in (−1.65%)
• 275/30R21 27.50 in (−1.72%)
• 275/30R22 28.50 in (+1.86%)
• 225/65R17 28.52 in (+1.93%)
• 245/65R16 28.54 in (+2.01%)
• 305/35R19 27.41 in (−2.04%)
• 225/70R15 27.40 in (−2.05%)
• 265/45R18 27.39 in (−2.10%)
• 245/60R17 28.57 in (+2.14%)
• 275/35R21 28.58 in (+2.15%)
• 265/40R19 27.35 in (−2.25%)
• 245/55R18 28.61 in (+2.27%)
• 235/45R19 27.33 in (−2.32%)
• 225/60R18 28.63 in (+2.34%)
• 215/55R18 27.31 in (−2.38%)
• 245/50R19 28.65 in (+2.39%)
• 265/35R20 27.30 in (−2.41%)
• 295/40R18 27.29 in (−2.45%)
• 275/40R20 28.66 in (+2.45%)
• 225/75R14 27.29 in (−2.46%)
• 325/30R21 28.68 in (+2.50%)
• 245/45R20 28.68 in (+2.52%)
• 315/35R20 28.68 in (+2.52%)
• 215/75R16 28.70 in (+2.58%)
• 235/50R18 27.25 in (−2.59%)
• 245/40R21 28.72 in (+2.65%)
• 285/30R22 28.73 in (+2.70%)
• 225/55R19 28.74 in (+2.74%)
• 275/45R19 28.74 in (+2.74%)
• 245/35R22 28.75 in (+2.77%)
• 235/55R17 27.18 in (−2.86%)
• 215/60R17 27.16 in (−2.93%)

Open 285/40R19 in the tire size calculator

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