TireSizesFinder

215/70R14 vs 225/60R15

225/60R15 is 0.22 in (5.6 mm) shorter than 215/70R14, a −0.85% diameter difference. With the speedometer set for 215/70R14, an indicated 60 mph is 59.5 mph on 225/60R15.

Is this a safe swap?

Diameter difference −0.85%: under 1%

By overall diameter alone, 225/60R15 is a near match for 215/70R14; 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: 215/70R14 (25.85 in) vs 225/60R15 (25.63 in)215/70R1425.85 in × 8.46 in225/60R1525.63 in × 8.86 in
Side profile and tread width, drawn to the same scale.
215/70R14 vs 225/60R15 differences
Measurement215/70R14225/60R15Difference% diff
Overall diameter25.85 in (656.6 mm)25.63 in (651.0 mm)−0.22 in (−5.6 mm)−0.85%
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%
Circumference81.21 in (2,062.8 mm)80.52 in (2,045.2 mm)−0.69 in (−17.6 mm)−0.85%
Revolutions per mile780787+7+0.86%
True speed with the speedometer calibrated for 215/70R14
IndicatedActual on 215/70R14Actual on 225/60R15Difference
30 mph30.0 mph29.7 mph−0.3 mph
60 mph60.0 mph59.5 mph−0.5 mph
75 mph75.0 mph74.4 mph−0.6 mph

Ride-height change: 225/60R15 lowers the vehicle by 0.11 in (2.8 mm) at the axle (half the −5.6 mm diameter difference).

225/60R15 is 0.22 in shorter than 215/70R14 and 10 mm wider, a 0.85% difference in overall diameter.

With the speedometer calibrated for 215/70R14, an indicated 60 mph is actually 59.5 mph on 225/60R15, and revolutions per mile change from 780 to 787.

225/60R15 mounts on a 15-inch wheel, a plus-1 fitment from the 14-inch wheel of 215/70R14.

Size pages

Other comparisons with 215/70R14

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