295/40R22 vs 295/35R24

295/35R24 is 0.84 in (21.3 mm) taller than 295/40R22, a +2.68% diameter difference. With the speedometer set for 295/40R22, an indicated 60 mph is 61.6 mph on 295/35R24.

Is this a safe swap?

Diameter difference +2.68%: within the ±3% guideline

By overall diameter alone, 295/35R24 falls inside the ±3% range commonly used as a guideline when replacing 295/40R22. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

Side profile and tread width, drawn to the same scale.

295/40R22 vs 295/35R24 differences
Measurement	295/40R22	295/35R24	Difference	% diff
Overall diameter	31.29 in (794.8 mm)	32.13 in (816.1 mm)	+0.84 in (+21.3 mm)	+2.68%
Sidewall height	4.65 in (118.0 mm)	4.06 in (103.3 mm)	−0.58 in (−14.7 mm)	−12.50%
Section width	11.61 in (295.0 mm)	11.61 in (295.0 mm)	0.00 in (0.0 mm)	0.00%
Circumference	98.30 in (2,496.9 mm)	100.94 in (2,563.9 mm)	+2.63 in (+66.9 mm)	+2.68%
Revolutions per mile	645	628	−17	−2.61%

True speed with the speedometer calibrated for 295/40R22
Indicated	Actual on 295/40R22	Actual on 295/35R24	Difference
30 mph	30.0 mph	30.8 mph	+0.8 mph
60 mph	60.0 mph	61.6 mph	+1.6 mph
75 mph	75.0 mph	77.0 mph	+2.0 mph

Ride-height change: 295/35R24 raises the vehicle by 0.42 in (10.6 mm) at the axle (half the +21.3 mm diameter difference).

295/35R24 is 0.84 in taller than 295/40R22 and the same width, a 2.68% difference in overall diameter.

With the speedometer calibrated for 295/40R22, an indicated 60 mph is actually 61.6 mph on 295/35R24, and revolutions per mile change from 645 to 628.

295/35R24 mounts on a 24-inch wheel, a plus-2 fitment from the 22-inch wheel of 295/40R22.

Size pages

Other comparisons with 295/40R22

Other comparisons with 295/35R24

Source: Calculated from standard tire geometry formulas. Verified 2026-09-27. How these numbers are calculated.