285/50R20 tire size
A 285/50R20 tire is 31.22 in (793.0 mm) tall and 11.22 in (285.0 mm) wide, and turns 646 revolutions per mile.
- 31.22 inOverall diameter
- 5.61 inSidewall height
- 646Revolutions per mile
- 31.2x11.2R20Flotation equivalent
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter | 31.22 in | 793.0 mm |
| Section width | 11.22 in | 285.0 mm |
| Sidewall height | 5.61 in | 142.5 mm |
| Rim diameter | 20.00 in | 508.0 mm |
| Circumference | 98.08 in | 2,491 mm |
| Revolutions per mile | 646 | |
| Flotation equivalent | 31.2x11.2R20 (approx.) | |
285/50R20 is a 20-inch tire with a 285 mm (11.22 in) section width and a 50% aspect ratio, giving a 5.61-inch sidewall and a flotation-style size of about 31.2x11.2R20.
Its overall diameter is 31.22 inches, so it rolls 98.1 inches per revolution and turns about 646 times per mile.
61 other sizes in this list are within 3% of that diameter.
Compare 285/50R20 with plausible swaps
- 275/60R18 vs 285/50R20 (−0.73%)
- 255/65R18 vs 285/50R20 (−0.54%)
- 285/60R18 vs 285/50R20 (+0.78%)
- 265/65R18 vs 285/50R20 (+1.10%)
- 275/55R19 vs 285/50R20 (−1.00%)
- 235/65R19 vs 285/50R20 (−0.62%)
- 255/60R19 vs 285/50R20 (−0.55%)
- 285/45R20 vs 285/50R20 (−3.59%)
- 265/50R20 vs 285/50R20 (−2.52%)
- 275/50R20 vs 285/50R20 (−1.26%)
- 255/55R20 vs 285/50R20 (−0.57%)
- 285/50R20 vs 265/55R20 (+0.82%)
- 285/50R20 vs 305/50R20 (+2.52%)
- 285/50R20 vs 285/55R20 (+3.59%)
- 285/50R20 vs 255/50R21 (−0.58%)
- 285/50R20 vs 285/45R21 (−0.39%)
- 285/50R20 vs 265/50R21 (+0.68%)
- 285/50R20 vs 275/50R21 (+1.94%)
- 285/50R20 vs 285/40R22 (−0.78%)
- 285/50R20 vs 295/40R22 (+0.23%)
- 285/50R20 vs 265/45R22 (+0.54%)
- 285/50R20 vs 305/40R22 (+1.24%)
- 285/50R20 vs 275/45R22 (+1.68%)
Sizes within 3% of 31.22 in diameter
- 305/30R24 31.20 in (−0.05%)
- 295/40R22 31.29 in (+0.23%)
- 285/45R21 31.10 in (−0.39%)
- 275/65R17 31.07 in (−0.47%)
- 255/70R17 31.06 in (−0.53%)
- 255/65R18 31.05 in (−0.54%)
- 265/45R22 31.39 in (+0.54%)
- 255/60R19 31.05 in (−0.55%)
- 255/55R20 31.04 in (−0.57%)
- 255/50R21 31.04 in (−0.58%)
- 235/65R19 31.03 in (−0.62%)
- 265/50R21 31.43 in (+0.68%)
- 31x10.50R15 31.00 in (−0.71%)
- 31x10.50R16 31.00 in (−0.71%)
- 275/60R18 30.99 in (−0.73%)
- 285/60R18 31.46 in (+0.78%)
- 285/40R22 30.98 in (−0.78%)
- 245/75R17 31.47 in (+0.79%)
- 265/55R20 31.48 in (+0.82%)
- 275/55R19 30.91 in (−1.00%)
- 235/75R17 30.88 in (−1.10%)
- 265/65R18 31.56 in (+1.10%)
- 285/65R17 31.59 in (+1.17%)
- 265/70R17 31.61 in (+1.24%)
- 305/40R22 31.61 in (+1.24%)
- 275/50R20 30.83 in (−1.26%)
- 305/45R20 30.81 in (−1.32%)
- 265/75R16 31.65 in (+1.37%)
- 275/45R21 30.74 in (−1.53%)
- 285/30R24 30.73 in (−1.56%)
- 235/85R16 31.73 in (+1.63%)
- 275/45R22 31.74 in (+1.68%)
- 275/40R22 30.66 in (−1.79%)
- 265/75R15 30.65 in (−1.83%)
- 235/80R17 31.80 in (+1.87%)
- 275/50R21 31.83 in (+1.94%)
- 245/55R20 30.61 in (−1.95%)
- 265/70R16 30.61 in (−1.97%)
- 265/65R17 30.56 in (−2.11%)
- 245/65R18 30.54 in (−2.18%)
- 275/55R20 31.91 in (+2.21%)
- 265/60R18 30.52 in (−2.24%)
- 245/70R17 30.50 in (−2.30%)
- 265/55R19 30.48 in (−2.38%)
- 245/75R16 30.47 in (−2.41%)
- 295/45R20 30.45 in (−2.46%)
- 32x11.50R15 32.00 in (+2.50%)
- 265/50R20 30.43 in (−2.52%)
- 305/50R20 32.01 in (+2.52%)
- 305/35R22 30.41 in (−2.61%)
- 255/60R20 32.05 in (+2.65%)
- 215/85R16 30.39 in (−2.66%)
- 265/45R21 30.39 in (−2.66%)
- 255/70R18 32.06 in (+2.67%)
- 255/75R17 32.06 in (+2.69%)
- 275/65R18 32.07 in (+2.74%)
- 265/40R22 30.35 in (−2.80%)
- 285/45R22 32.10 in (+2.81%)
- 295/35R24 32.13 in (+2.91%)
- 295/40R21 30.29 in (−2.98%)
- 225/75R17 30.29 in (−2.99%)
Open 285/50R20 in the tire size calculator
Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.