TireSizesFinder

245/75R15 vs 265/60R17

265/60R17 is 0.05 in (1.3 mm) taller than 245/75R15, a +0.17% diameter difference. With the speedometer set for 245/75R15, an indicated 60 mph is 60.1 mph on 265/60R17.

Is this a safe swap?

Diameter difference +0.17%: under 1%

By overall diameter alone, 265/60R17 is a near match for 245/75R15; 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: 245/75R15 (29.47 in) vs 265/60R17 (29.52 in)245/75R1529.47 in × 9.65 in265/60R1729.52 in × 10.43 in
Side profile and tread width, drawn to the same scale.
245/75R15 vs 265/60R17 differences
Measurement245/75R15265/60R17Difference% diff
Overall diameter29.47 in (748.5 mm)29.52 in (749.8 mm)+0.05 in (+1.3 mm)+0.17%
Sidewall height7.23 in (183.8 mm)6.26 in (159.0 mm)−0.97 in (−24.7 mm)−13.47%
Section width9.65 in (245.0 mm)10.43 in (265.0 mm)+0.79 in (+20.0 mm)+8.16%
Circumference92.58 in (2,351.5 mm)92.74 in (2,355.6 mm)+0.16 in (+4.1 mm)+0.17%
Revolutions per mile684683−1−0.17%
True speed with the speedometer calibrated for 245/75R15
IndicatedActual on 245/75R15Actual on 265/60R17Difference
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: 265/60R17 raises the vehicle by 0.03 in (0.6 mm) at the axle (half the +1.3 mm diameter difference).

265/60R17 is 0.05 in taller than 245/75R15 and 20 mm wider, a 0.17% difference in overall diameter.

With the speedometer calibrated for 245/75R15, an indicated 60 mph is actually 60.1 mph on 265/60R17, and revolutions per mile change from 684 to 683.

265/60R17 mounts on a 17-inch wheel, a plus-2 fitment from the 15-inch wheel of 245/75R15.

Size pages

Other comparisons with 245/75R15

Other comparisons with 265/60R17

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