TireSizesFinder

225/60R15 vs 205/60R16

205/60R16 is 0.06 in (1.4 mm) taller than 225/60R15, a +0.22% diameter difference. With the speedometer set for 225/60R15, an indicated 60 mph is 60.1 mph on 205/60R16.

Is this a safe swap?

Diameter difference +0.22%: under 1%

By overall diameter alone, 205/60R16 is a near match for 225/60R15; 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: 225/60R15 (25.63 in) vs 205/60R16 (25.69 in)225/60R1525.63 in × 8.86 in205/60R1625.69 in × 8.07 in
Side profile and tread width, drawn to the same scale.
225/60R15 vs 205/60R16 differences
Measurement225/60R15205/60R16Difference% diff
Overall diameter25.63 in (651.0 mm)25.69 in (652.4 mm)+0.06 in (+1.4 mm)+0.22%
Sidewall height5.31 in (135.0 mm)4.84 in (123.0 mm)−0.47 in (−12.0 mm)−8.89%
Section width8.86 in (225.0 mm)8.07 in (205.0 mm)−0.79 in (−20.0 mm)−8.89%
Circumference80.52 in (2,045.2 mm)80.69 in (2,049.6 mm)+0.17 in (+4.4 mm)+0.22%
Revolutions per mile787785−2−0.21%
True speed with the speedometer calibrated for 225/60R15
IndicatedActual on 225/60R15Actual on 205/60R16Difference
30 mph30.0 mph30.1 mph+0.1 mph
60 mph60.0 mph60.1 mph+0.1 mph
75 mph75.0 mph75.2 mph+0.2 mph

Ride-height change: 205/60R16 raises the vehicle by 0.03 in (0.7 mm) at the axle (half the +1.4 mm diameter difference).

205/60R16 is 0.06 in taller than 225/60R15 and 20 mm narrower, a 0.22% difference in overall diameter.

With the speedometer calibrated for 225/60R15, an indicated 60 mph is actually 60.1 mph on 205/60R16, and revolutions per mile change from 787 to 785.

205/60R16 mounts on a 16-inch wheel, a plus-1 fitment from the 15-inch wheel of 225/60R15.

Size pages

Other comparisons with 225/60R15

Other comparisons with 205/60R16

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