TireSizesFinder

245/35R21 vs 295/25R22

295/25R22 is 0.06 in (1.4 mm) taller than 245/35R21, a +0.20% diameter difference. With the speedometer set for 245/35R21, an indicated 60 mph is 60.1 mph on 295/25R22.

Is this a safe swap?

Diameter difference +0.20%: under 1%

By overall diameter alone, 295/25R22 is a near match for 245/35R21; the speedometer changes by less than 1%. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 245/35R21 (27.75 in) vs 295/25R22 (27.81 in)245/35R2127.75 in × 9.65 in295/25R2227.81 in × 11.61 in
Side profile and tread width, drawn to the same scale.
245/35R21 vs 295/25R22 differences
Measurement245/35R21295/25R22Difference% diff
Overall diameter27.75 in (704.9 mm)27.81 in (706.3 mm)+0.06 in (+1.4 mm)+0.20%
Sidewall height3.38 in (85.8 mm)2.90 in (73.8 mm)−0.47 in (−12.0 mm)−13.99%
Section width9.65 in (245.0 mm)11.61 in (295.0 mm)+1.97 in (+50.0 mm)+20.41%
Circumference87.19 in (2,214.5 mm)87.36 in (2,218.9 mm)+0.17 in (+4.4 mm)+0.20%
Revolutions per mile727725−1−0.20%
True speed with the speedometer calibrated for 245/35R21
IndicatedActual on 245/35R21Actual on 295/25R22Difference
30 mph30.0 mph30.1 mph+0.1 mph
60 mph60.0 mph60.1 mph+0.1 mph
75 mph75.0 mph75.1 mph+0.1 mph

Ride-height change: 295/25R22 raises the vehicle by 0.03 in (0.7 mm) at the axle (half the +1.4 mm diameter difference).

295/25R22 is 0.06 in taller than 245/35R21 and 50 mm wider, a 0.20% difference in overall diameter.

With the speedometer calibrated for 245/35R21, an indicated 60 mph is actually 60.1 mph on 295/25R22, and revolutions per mile change from 727 to 725.

295/25R22 mounts on a 22-inch wheel, a plus-1 fitment from the 21-inch wheel of 245/35R21.

Size pages

Other comparisons with 245/35R21

Other comparisons with 295/25R22

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