TireSizesFinder

265/70R15 vs 265/60R17

265/60R17 is 0.09 in (2.2 mm) shorter than 265/70R15, a −0.29% diameter difference. With the speedometer set for 265/70R15, an indicated 60 mph is 59.8 mph on 265/60R17.

Is this a safe swap?

Diameter difference −0.29%: under 1%

By overall diameter alone, 265/60R17 is a near match for 265/70R15; 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: 265/70R15 (29.61 in) vs 265/60R17 (29.52 in)265/70R1529.61 in × 10.43 in265/60R1729.52 in × 10.43 in
Side profile and tread width, drawn to the same scale.
265/70R15 vs 265/60R17 differences
Measurement265/70R15265/60R17Difference% diff
Overall diameter29.61 in (752.0 mm)29.52 in (749.8 mm)−0.09 in (−2.2 mm)−0.29%
Sidewall height7.30 in (185.5 mm)6.26 in (159.0 mm)−1.04 in (−26.5 mm)−14.29%
Section width10.43 in (265.0 mm)10.43 in (265.0 mm)0.00 in (0.0 mm)0.00%
Circumference93.01 in (2,362.5 mm)92.74 in (2,355.6 mm)−0.27 in (−6.9 mm)−0.29%
Revolutions per mile681683+2+0.29%
True speed with the speedometer calibrated for 265/70R15
IndicatedActual on 265/70R15Actual on 265/60R17Difference
30 mph30.0 mph29.9 mph−0.1 mph
60 mph60.0 mph59.8 mph−0.2 mph
75 mph75.0 mph74.8 mph−0.2 mph

Ride-height change: 265/60R17 lowers the vehicle by 0.04 in (1.1 mm) at the axle (half the −2.2 mm diameter difference).

265/60R17 is 0.09 in shorter than 265/70R15 and the same width, a 0.29% difference in overall diameter.

With the speedometer calibrated for 265/70R15, an indicated 60 mph is actually 59.8 mph on 265/60R17, and revolutions per mile change from 681 to 683.

265/60R17 mounts on a 17-inch wheel, a plus-2 fitment from the 15-inch wheel of 265/70R15.

Size pages

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