TireSizesFinder

305/30R24 vs 295/35R24

295/35R24 is 0.93 in (23.5 mm) taller than 305/30R24, a +2.96% diameter difference. With the speedometer set for 305/30R24, an indicated 60 mph is 61.8 mph on 295/35R24.

Is this a safe swap?

Diameter difference +2.96%: within the ±3% guideline

By overall diameter alone, 295/35R24 falls inside the ±3% range commonly used as a guideline when replacing 305/30R24. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 305/30R24 (31.20 in) vs 295/35R24 (32.13 in)305/30R2431.20 in × 12.01 in295/35R2432.13 in × 11.61 in
Side profile and tread width, drawn to the same scale.
305/30R24 vs 295/35R24 differences
Measurement305/30R24295/35R24Difference% diff
Overall diameter31.20 in (792.6 mm)32.13 in (816.1 mm)+0.93 in (+23.5 mm)+2.96%
Sidewall height3.60 in (91.5 mm)4.06 in (103.3 mm)+0.46 in (+11.8 mm)+12.84%
Section width12.01 in (305.0 mm)11.61 in (295.0 mm)−0.39 in (−10.0 mm)−3.28%
Circumference98.03 in (2,490.0 mm)100.94 in (2,563.9 mm)+2.91 in (+73.8 mm)+2.96%
Revolutions per mile646628−19−2.88%
True speed with the speedometer calibrated for 305/30R24
IndicatedActual on 305/30R24Actual on 295/35R24Difference
30 mph30.0 mph30.9 mph+0.9 mph
60 mph60.0 mph61.8 mph+1.8 mph
75 mph75.0 mph77.2 mph+2.2 mph

Ride-height change: 295/35R24 raises the vehicle by 0.46 in (11.8 mm) at the axle (half the +23.5 mm diameter difference).

295/35R24 is 0.93 in taller than 305/30R24 and 10 mm narrower, a 2.96% difference in overall diameter.

With the speedometer calibrated for 305/30R24, an indicated 60 mph is actually 61.8 mph on 295/35R24, and revolutions per mile change from 646 to 628.

Both sizes mount on 24-inch wheels.

Size pages

Other comparisons with 305/30R24

Other comparisons with 295/35R24

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