305/50R20 tire size
A 305/50R20 tire is 32.01 in (813.0 mm) tall and 12.01 in (305.0 mm) wide, and turns 630 revolutions per mile.
- 32.01 inOverall diameter
- 6.00 inSidewall height
- 630Revolutions per mile
- 32.0x12.0R20Flotation equivalent
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter | 32.01 in | 813.0 mm |
| Section width | 12.01 in | 305.0 mm |
| Sidewall height | 6.00 in | 152.5 mm |
| Rim diameter | 20.00 in | 508.0 mm |
| Circumference | 100.56 in | 2,554 mm |
| Revolutions per mile | 630 | |
| Flotation equivalent | 32.0x12.0R20 (approx.) | |
305/50R20 is a 20-inch tire with a 305 mm (12.01 in) section width and a 50% aspect ratio, giving a 6.00-inch sidewall and a flotation-style size of about 32.0x12.0R20.
Its overall diameter is 32.01 inches, so it rolls 100.6 inches per revolution and turns about 630 times per mile.
41 other sizes in this list are within 3% of that diameter.
Compare 305/50R20 with plausible swaps
- 285/60R18 vs 305/50R20 (−1.70%)
- 265/65R18 vs 305/50R20 (−1.39%)
- 255/70R18 vs 305/50R20 (+0.15%)
- 275/65R18 vs 305/50R20 (+0.21%)
- 305/45R20 vs 305/50R20 (−3.75%)
- 285/50R20 vs 305/50R20 (−2.46%)
- 265/55R20 vs 305/50R20 (−1.66%)
- 275/55R20 vs 305/50R20 (−0.31%)
- 305/50R20 vs 255/60R20 (+0.12%)
- 305/50R20 vs 285/55R20 (+1.05%)
- 305/50R20 vs 265/60R20 (+1.60%)
- 305/50R20 vs 33x12.50R20 (+3.10%)
- 305/50R20 vs 305/55R20 (+3.75%)
- 305/50R20 vs 265/50R21 (−1.80%)
- 305/50R20 vs 275/50R21 (−0.57%)
- 305/50R20 vs 305/40R22 (−1.25%)
- 305/50R20 vs 275/45R22 (−0.82%)
- 305/50R20 vs 285/45R22 (+0.28%)
Sizes within 3% of 32.01 in diameter
- 32x11.50R15 32.00 in (−0.02%)
- 255/60R20 32.05 in (+0.12%)
- 255/70R18 32.06 in (+0.15%)
- 255/75R17 32.06 in (+0.16%)
- 275/65R18 32.07 in (+0.21%)
- 285/45R22 32.10 in (+0.28%)
- 275/55R20 31.91 in (−0.31%)
- 295/35R24 32.13 in (+0.38%)
- 275/70R17 32.16 in (+0.47%)
- 275/50R21 31.83 in (−0.57%)
- 235/80R17 31.80 in (−0.64%)
- 275/45R22 31.74 in (−0.82%)
- 235/85R16 31.73 in (−0.87%)
- 285/55R20 32.34 in (+1.05%)
- 265/75R16 31.65 in (−1.12%)
- 305/35R24 32.41 in (+1.24%)
- 265/70R17 31.61 in (−1.25%)
- 305/40R22 31.61 in (−1.25%)
- 285/65R17 31.59 in (−1.32%)
- 265/65R18 31.56 in (−1.39%)
- 265/60R20 32.52 in (+1.60%)
- 265/55R20 31.48 in (−1.66%)
- 245/75R17 31.47 in (−1.69%)
- 285/60R18 31.46 in (−1.70%)
- 265/50R21 31.43 in (−1.80%)
- 285/65R18 32.59 in (+1.81%)
- 265/70R18 32.61 in (+1.87%)
- 305/65R17 32.61 in (+1.88%)
- 265/45R22 31.39 in (−1.93%)
- 285/70R17 32.71 in (+2.19%)
- 295/40R22 31.29 in (−2.24%)
- 295/55R20 32.78 in (+2.40%)
- 285/50R20 31.22 in (−2.46%)
- 305/45R22 32.81 in (+2.50%)
- 305/70R16 32.81 in (+2.51%)
- 305/30R24 31.20 in (−2.51%)
- 285/75R16 32.83 in (+2.57%)
- 285/45R21 31.10 in (−2.84%)
- 275/65R17 31.07 in (−2.92%)
- 255/70R17 31.06 in (−2.98%)
- 255/65R18 31.05 in (−2.99%)
Open 305/50R20 in the tire size calculator
Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.