TireSizesFinder

245/60R16 vs 225/60R17

225/60R17 is 0.06 in (1.4 mm) taller than 245/60R16, a +0.20% diameter difference. With the speedometer set for 245/60R16, an indicated 60 mph is 60.1 mph on 225/60R17.

Is this a safe swap?

Diameter difference +0.20%: under 1%

By overall diameter alone, 225/60R17 is a near match for 245/60R16; 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: 245/60R16 (27.57 in) vs 225/60R17 (27.63 in)245/60R1627.57 in × 9.65 in225/60R1727.63 in × 8.86 in
Side profile and tread width, drawn to the same scale.
245/60R16 vs 225/60R17 differences
Measurement245/60R16225/60R17Difference% diff
Overall diameter27.57 in (700.4 mm)27.63 in (701.8 mm)+0.06 in (+1.4 mm)+0.20%
Sidewall height5.79 in (147.0 mm)5.31 in (135.0 mm)−0.47 in (−12.0 mm)−8.16%
Section width9.65 in (245.0 mm)8.86 in (225.0 mm)−0.79 in (−20.0 mm)−8.16%
Circumference86.63 in (2,200.4 mm)86.80 in (2,204.8 mm)+0.17 in (+4.4 mm)+0.20%
Revolutions per mile731730−1−0.20%
True speed with the speedometer calibrated for 245/60R16
IndicatedActual on 245/60R16Actual on 225/60R17Difference
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: 225/60R17 raises the vehicle by 0.03 in (0.7 mm) at the axle (half the +1.4 mm diameter difference).

225/60R17 is 0.06 in taller than 245/60R16 and 20 mm narrower, a 0.20% difference in overall diameter.

With the speedometer calibrated for 245/60R16, an indicated 60 mph is actually 60.1 mph on 225/60R17, and revolutions per mile change from 731 to 730.

225/60R17 mounts on a 17-inch wheel, a plus-1 fitment from the 16-inch wheel of 245/60R16.

Size pages

Other comparisons with 245/60R16

Other comparisons with 225/60R17

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