295/25R22 vs 265/30R22

265/30R22 is 0.45 in (11.5 mm) taller than 295/25R22, a +1.63% diameter difference. With the speedometer set for 295/25R22, an indicated 60 mph is 61.0 mph on 265/30R22.

Is this a safe swap?

Diameter difference +1.63%: within the ±3% guideline

By overall diameter alone, 265/30R22 falls inside the ±3% range commonly used as a guideline when replacing 295/25R22. 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.

295/25R22 vs 265/30R22 differences
Measurement	295/25R22	265/30R22	Difference	% diff
Overall diameter	27.81 in (706.3 mm)	28.26 in (717.8 mm)	+0.45 in (+11.5 mm)	+1.63%
Sidewall height	2.90 in (73.8 mm)	3.13 in (79.5 mm)	+0.23 in (+5.8 mm)	+7.80%
Section width	11.61 in (295.0 mm)	10.43 in (265.0 mm)	−1.18 in (−30.0 mm)	−10.17%
Circumference	87.36 in (2,218.9 mm)	88.78 in (2,255.0 mm)	+1.42 in (+36.1 mm)	+1.63%
Revolutions per mile	725	714	−12	−1.60%

True speed with the speedometer calibrated for 295/25R22
Indicated	Actual on 295/25R22	Actual on 265/30R22	Difference
30 mph	30.0 mph	30.5 mph	+0.5 mph
60 mph	60.0 mph	61.0 mph	+1.0 mph
75 mph	75.0 mph	76.2 mph	+1.2 mph

Ride-height change: 265/30R22 raises the vehicle by 0.23 in (5.8 mm) at the axle (half the +11.5 mm diameter difference).

265/30R22 is 0.45 in taller than 295/25R22 and 30 mm narrower, a 1.63% difference in overall diameter.

With the speedometer calibrated for 295/25R22, an indicated 60 mph is actually 61.0 mph on 265/30R22, and revolutions per mile change from 725 to 714.

Both sizes mount on 22-inch wheels.

Size pages

Other comparisons with 295/25R22

Other comparisons with 265/30R22

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