295/35R20 vs 295/25R22

295/25R22 is 0.32 in (8.2 mm) shorter than 295/35R20, a −1.15% diameter difference. With the speedometer set for 295/35R20, an indicated 60 mph is 59.3 mph on 295/25R22.

Is this a safe swap?

Diameter difference −1.15%: within the ±3% guideline

By overall diameter alone, 295/25R22 falls inside the ±3% range commonly used as a guideline when replacing 295/35R20. 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.

295/35R20 vs 295/25R22 differences
Measurement	295/35R20	295/25R22	Difference	% diff
Overall diameter	28.13 in (714.5 mm)	27.81 in (706.3 mm)	−0.32 in (−8.2 mm)	−1.15%
Sidewall height	4.06 in (103.3 mm)	2.90 in (73.8 mm)	−1.16 in (−29.5 mm)	−28.57%
Section width	11.61 in (295.0 mm)	11.61 in (295.0 mm)	0.00 in (0.0 mm)	0.00%
Circumference	88.37 in (2,244.7 mm)	87.36 in (2,218.9 mm)	−1.01 in (−25.8 mm)	−1.15%
Revolutions per mile	717	725	+8	+1.16%

True speed with the speedometer calibrated for 295/35R20
Indicated	Actual on 295/35R20	Actual on 295/25R22	Difference
30 mph	30.0 mph	29.7 mph	−0.3 mph
60 mph	60.0 mph	59.3 mph	−0.7 mph
75 mph	75.0 mph	74.1 mph	−0.9 mph

Ride-height change: 295/25R22 lowers the vehicle by 0.16 in (4.1 mm) at the axle (half the −8.2 mm diameter difference).

295/25R22 is 0.32 in shorter than 295/35R20 and the same width, a 1.15% difference in overall diameter.

With the speedometer calibrated for 295/35R20, an indicated 60 mph is actually 59.3 mph on 295/25R22, and revolutions per mile change from 717 to 725.

295/25R22 mounts on a 22-inch wheel, a plus-2 fitment from the 20-inch wheel of 295/35R20.

Size pages

Other comparisons with 295/35R20

Other comparisons with 295/25R22

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