TireSizesFinder

215/70R16 vs 225/60R17

225/60R17 is 0.22 in (5.6 mm) shorter than 215/70R16, a −0.79% diameter difference. With the speedometer set for 215/70R16, an indicated 60 mph is 59.5 mph on 225/60R17.

Is this a safe swap?

Diameter difference −0.79%: under 1%

By overall diameter alone, 225/60R17 is a near match for 215/70R16; 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: 215/70R16 (27.85 in) vs 225/60R17 (27.63 in)215/70R1627.85 in × 8.46 in225/60R1727.63 in × 8.86 in
Side profile and tread width, drawn to the same scale.
215/70R16 vs 225/60R17 differences
Measurement215/70R16225/60R17Difference% diff
Overall diameter27.85 in (707.4 mm)27.63 in (701.8 mm)−0.22 in (−5.6 mm)−0.79%
Sidewall height5.93 in (150.5 mm)5.31 in (135.0 mm)−0.61 in (−15.5 mm)−10.30%
Section width8.46 in (215.0 mm)8.86 in (225.0 mm)+0.39 in (+10.0 mm)+4.65%
Circumference87.49 in (2,222.4 mm)86.80 in (2,204.8 mm)−0.69 in (−17.6 mm)−0.79%
Revolutions per mile724730+6+0.80%
True speed with the speedometer calibrated for 215/70R16
IndicatedActual on 215/70R16Actual on 225/60R17Difference
30 mph30.0 mph29.8 mph−0.2 mph
60 mph60.0 mph59.5 mph−0.5 mph
75 mph75.0 mph74.4 mph−0.6 mph

Ride-height change: 225/60R17 lowers the vehicle by 0.11 in (2.8 mm) at the axle (half the −5.6 mm diameter difference).

225/60R17 is 0.22 in shorter than 215/70R16 and 10 mm wider, a 0.79% difference in overall diameter.

With the speedometer calibrated for 215/70R16, an indicated 60 mph is actually 59.5 mph on 225/60R17, and revolutions per mile change from 724 to 730.

225/60R17 mounts on a 17-inch wheel, a plus-1 fitment from the 16-inch wheel of 215/70R16.

Size pages

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