305/40R22 tire size
A 305/40R22 tire is 31.61 in (802.8 mm) tall and 12.01 in (305.0 mm) wide, and turns 638 revolutions per mile.
- 31.61 inOverall diameter
- 4.80 inSidewall height
- 638Revolutions per mile
- 31.6x12.0R22Flotation equivalent
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter | 31.61 in | 802.8 mm |
| Section width | 12.01 in | 305.0 mm |
| Sidewall height | 4.80 in | 122.0 mm |
| Rim diameter | 22.00 in | 558.8 mm |
| Circumference | 99.29 in | 2,522 mm |
| Revolutions per mile | 638 | |
| Flotation equivalent | 31.6x12.0R22 (approx.) | |
305/40R22 is a 22-inch tire with a 305 mm (12.01 in) section width and a 40% aspect ratio, giving a 4.80-inch sidewall and a flotation-style size of about 31.6x12.0R22.
Its overall diameter is 31.61 inches, so it rolls 99.3 inches per revolution and turns about 638 times per mile.
48 other sizes in this list are within 3% of that diameter.
Compare 305/40R22 with plausible swaps
- 285/50R20 vs 305/40R22 (−1.22%)
- 265/55R20 vs 305/40R22 (−0.41%)
- 275/55R20 vs 305/40R22 (+0.96%)
- 305/50R20 vs 305/40R22 (+1.27%)
- 255/60R20 vs 305/40R22 (+1.40%)
- 285/45R21 vs 305/40R22 (−1.61%)
- 265/50R21 vs 305/40R22 (−0.55%)
- 275/50R21 vs 305/40R22 (+0.70%)
- 305/35R22 vs 305/40R22 (−3.80%)
- 285/40R22 vs 305/40R22 (−1.99%)
- 295/40R22 vs 305/40R22 (−1.00%)
- 265/45R22 vs 305/40R22 (−0.69%)
- 305/40R22 vs 275/45R22 (+0.44%)
- 305/40R22 vs 285/45R22 (+1.56%)
- 305/40R22 vs 305/45R22 (+3.80%)
- 305/40R22 vs 33x12.50R22 (+4.41%)
- 305/40R22 vs 285/30R24 (−2.77%)
- 305/40R22 vs 305/30R24 (−1.27%)
- 305/40R22 vs 295/35R24 (+1.66%)
- 305/40R22 vs 305/35R24 (+2.53%)
Sizes within 3% of 31.61 in diameter
- 265/70R17 31.61 in (0.00%)
- 285/65R17 31.59 in (−0.06%)
- 265/65R18 31.56 in (−0.14%)
- 265/75R16 31.65 in (+0.14%)
- 235/85R16 31.73 in (+0.39%)
- 265/55R20 31.48 in (−0.41%)
- 245/75R17 31.47 in (−0.44%)
- 275/45R22 31.74 in (+0.44%)
- 285/60R18 31.46 in (−0.45%)
- 265/50R21 31.43 in (−0.55%)
- 235/80R17 31.80 in (+0.62%)
- 265/45R22 31.39 in (−0.69%)
- 275/50R21 31.83 in (+0.70%)
- 275/55R20 31.91 in (+0.96%)
- 295/40R22 31.29 in (−1.00%)
- 285/50R20 31.22 in (−1.22%)
- 32x11.50R15 32.00 in (+1.25%)
- 305/50R20 32.01 in (+1.27%)
- 305/30R24 31.20 in (−1.27%)
- 255/60R20 32.05 in (+1.40%)
- 255/70R18 32.06 in (+1.42%)
- 255/75R17 32.06 in (+1.43%)
- 275/65R18 32.07 in (+1.48%)
- 285/45R22 32.10 in (+1.56%)
- 285/45R21 31.10 in (−1.61%)
- 295/35R24 32.13 in (+1.66%)
- 275/65R17 31.07 in (−1.68%)
- 255/70R17 31.06 in (−1.74%)
- 275/70R17 32.16 in (+1.74%)
- 255/65R18 31.05 in (−1.76%)
- 255/60R19 31.05 in (−1.77%)
- 255/55R20 31.04 in (−1.78%)
- 255/50R21 31.04 in (−1.79%)
- 235/65R19 31.03 in (−1.83%)
- 31x10.50R15 31.00 in (−1.92%)
- 31x10.50R16 31.00 in (−1.92%)
- 275/60R18 30.99 in (−1.94%)
- 285/40R22 30.98 in (−1.99%)
- 275/55R19 30.91 in (−2.20%)
- 235/75R17 30.88 in (−2.30%)
- 285/55R20 32.34 in (+2.33%)
- 275/50R20 30.83 in (−2.47%)
- 305/45R20 30.81 in (−2.53%)
- 305/35R24 32.41 in (+2.53%)
- 275/45R21 30.74 in (−2.73%)
- 285/30R24 30.73 in (−2.77%)
- 265/60R20 32.52 in (+2.89%)
- 275/40R22 30.66 in (−2.99%)
Open 305/40R22 in the tire size calculator
Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.