295/60R20 vs 325/50R22

325/50R22 is 0.86 in (21.8 mm) taller than 295/60R20, a +2.53% diameter difference. With the speedometer set for 295/60R20, an indicated 60 mph is 61.5 mph on 325/50R22.

Is this a safe swap?

Diameter difference +2.53%: within the ±3% guideline

By overall diameter alone, 325/50R22 falls inside the ±3% range commonly used as a guideline when replacing 295/60R20. 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.

295/60R20 vs 325/50R22 differences
Measurement	295/60R20	325/50R22	Difference	% diff
Overall diameter	33.94 in (862.0 mm)	34.80 in (883.8 mm)	+0.86 in (+21.8 mm)	+2.53%
Sidewall height	6.97 in (177.0 mm)	6.40 in (162.5 mm)	−0.57 in (−14.5 mm)	−8.19%
Section width	11.61 in (295.0 mm)	12.80 in (325.0 mm)	+1.18 in (+30.0 mm)	+10.17%
Circumference	106.62 in (2,708.1 mm)	109.31 in (2,776.5 mm)	+2.70 in (+68.5 mm)	+2.53%
Revolutions per mile	594	580	−15	−2.47%

True speed with the speedometer calibrated for 295/60R20
Indicated	Actual on 295/60R20	Actual on 325/50R22	Difference
30 mph	30.0 mph	30.8 mph	+0.8 mph
60 mph	60.0 mph	61.5 mph	+1.5 mph
75 mph	75.0 mph	76.9 mph	+1.9 mph

Ride-height change: 325/50R22 raises the vehicle by 0.43 in (10.9 mm) at the axle (half the +21.8 mm diameter difference).

325/50R22 is 0.86 in taller than 295/60R20 and 30 mm wider, a 2.53% difference in overall diameter.

With the speedometer calibrated for 295/60R20, an indicated 60 mph is actually 61.5 mph on 325/50R22, and revolutions per mile change from 594 to 580.

325/50R22 mounts on a 22-inch wheel, a plus-2 fitment from the 20-inch wheel of 295/60R20.

Size pages

Other comparisons with 295/60R20

Other comparisons with 325/50R22

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