TireSizesFinder

295/45R20 vs 265/40R22

265/40R22 is 0.11 in (2.7 mm) shorter than 295/45R20, a −0.35% diameter difference. With the speedometer set for 295/45R20, an indicated 60 mph is 59.8 mph on 265/40R22.

Is this a safe swap?

Diameter difference −0.35%: under 1%

By overall diameter alone, 265/40R22 is a near match for 295/45R20; 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: 295/45R20 (30.45 in) vs 265/40R22 (30.35 in)295/45R2030.45 in × 11.61 in265/40R2230.35 in × 10.43 in
Side profile and tread width, drawn to the same scale.
295/45R20 vs 265/40R22 differences
Measurement295/45R20265/40R22Difference% diff
Overall diameter30.45 in (773.5 mm)30.35 in (770.8 mm)−0.11 in (−2.7 mm)−0.35%
Sidewall height5.23 in (132.8 mm)4.17 in (106.0 mm)−1.05 in (−26.7 mm)−20.15%
Section width11.61 in (295.0 mm)10.43 in (265.0 mm)−1.18 in (−30.0 mm)−10.17%
Circumference95.67 in (2,430.0 mm)95.34 in (2,421.5 mm)−0.33 in (−8.5 mm)−0.35%
Revolutions per mile662665+2+0.35%
True speed with the speedometer calibrated for 295/45R20
IndicatedActual on 295/45R20Actual on 265/40R22Difference
30 mph30.0 mph29.9 mph−0.1 mph
60 mph60.0 mph59.8 mph−0.2 mph
75 mph75.0 mph74.7 mph−0.3 mph

Ride-height change: 265/40R22 lowers the vehicle by 0.05 in (1.4 mm) at the axle (half the −2.7 mm diameter difference).

265/40R22 is 0.11 in shorter than 295/45R20 and 30 mm narrower, a 0.35% difference in overall diameter.

With the speedometer calibrated for 295/45R20, an indicated 60 mph is actually 59.8 mph on 265/40R22, and revolutions per mile change from 662 to 665.

265/40R22 mounts on a 22-inch wheel, a plus-2 fitment from the 20-inch wheel of 295/45R20.

Size pages

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