195/70R15 vs 205/60R16

205/60R16 is 0.06 in (1.6 mm) shorter than 195/70R15, a −0.24% diameter difference. With the speedometer set for 195/70R15, an indicated 60 mph is 59.9 mph on 205/60R16.

Is this a safe swap?

Diameter difference −0.24%: under 1%

By overall diameter alone, 205/60R16 is a near match for 195/70R15; the speedometer changes by less than 1%. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

Side profile and tread width, drawn to the same scale.

195/70R15 vs 205/60R16 differences
Measurement	195/70R15	205/60R16	Difference	% diff
Overall diameter	25.75 in (654.0 mm)	25.69 in (652.4 mm)	−0.06 in (−1.6 mm)	−0.24%
Sidewall height	5.37 in (136.5 mm)	4.84 in (123.0 mm)	−0.53 in (−13.5 mm)	−9.89%
Section width	7.68 in (195.0 mm)	8.07 in (205.0 mm)	+0.39 in (+10.0 mm)	+5.13%
Circumference	80.89 in (2,054.6 mm)	80.69 in (2,049.6 mm)	−0.20 in (−5.0 mm)	−0.24%
Revolutions per mile	783	785	+2	+0.25%

True speed with the speedometer calibrated for 195/70R15
Indicated	Actual on 195/70R15	Actual on 205/60R16	Difference
30 mph	30.0 mph	29.9 mph	−0.1 mph
60 mph	60.0 mph	59.9 mph	−0.1 mph
75 mph	75.0 mph	74.8 mph	−0.2 mph

Ride-height change: 205/60R16 lowers the vehicle by 0.03 in (0.8 mm) at the axle (half the −1.6 mm diameter difference).

205/60R16 is 0.06 in shorter than 195/70R15 and 10 mm wider, a 0.24% difference in overall diameter.

With the speedometer calibrated for 195/70R15, an indicated 60 mph is actually 59.9 mph on 205/60R16, and revolutions per mile change from 783 to 785.

205/60R16 mounts on a 16-inch wheel, a plus-1 fitment from the 15-inch wheel of 195/70R15.

Size pages

Other comparisons with 195/70R15

Other comparisons with 205/60R16

Source: Calculated from standard tire geometry formulas. Verified 2026-09-27. How these numbers are calculated.