305/45R22 vs 295/35R24

295/35R24 is 0.68 in (17.2 mm) shorter than 305/45R22, a −2.06% diameter difference. With the speedometer set for 305/45R22, an indicated 60 mph is 58.8 mph on 295/35R24.

Is this a safe swap?

Diameter difference −2.06%: within the ±3% guideline

By overall diameter alone, 295/35R24 falls inside the ±3% range commonly used as a guideline when replacing 305/45R22. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 305/45R22 (32.81 in) vs 295/35R24 (32.13 in)305/45R2232.81 in × 12.01 in295/35R2432.13 in × 11.61 in
Side profile and tread width, drawn to the same scale.
305/45R22 vs 295/35R24 differences
Measurement305/45R22295/35R24Difference% diff
Overall diameter32.81 in (833.3 mm)32.13 in (816.1 mm)−0.68 in (−17.2 mm)−2.06%
Sidewall height5.40 in (137.3 mm)4.06 in (103.3 mm)−1.34 in (−34.0 mm)−24.77%
Section width12.01 in (305.0 mm)11.61 in (295.0 mm)−0.39 in (−10.0 mm)−3.28%
Circumference103.07 in (2,617.9 mm)100.94 in (2,563.9 mm)−2.13 in (−54.0 mm)−2.06%
Revolutions per mile615628+13+2.11%
True speed with the speedometer calibrated for 305/45R22
IndicatedActual on 305/45R22Actual on 295/35R24Difference
30 mph30.0 mph29.4 mph−0.6 mph
60 mph60.0 mph58.8 mph−1.2 mph
75 mph75.0 mph73.5 mph−1.5 mph

Ride-height change: 295/35R24 lowers the vehicle by 0.34 in (8.6 mm) at the axle (half the −17.2 mm diameter difference).

295/35R24 is 0.68 in shorter than 305/45R22 and 10 mm narrower, a 2.06% difference in overall diameter.

With the speedometer calibrated for 305/45R22, an indicated 60 mph is actually 58.8 mph on 295/35R24, and revolutions per mile change from 615 to 628.

295/35R24 mounts on a 24-inch wheel, a plus-2 fitment from the 22-inch wheel of 305/45R22.

Size pages

Other comparisons with 305/45R22

Other comparisons with 295/35R24

Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.