195/60R14 vs 205/50R15

205/50R15 is 0.14 in (3.6 mm) shorter than 195/60R14, a −0.61% diameter difference. With the speedometer set for 195/60R14, an indicated 60 mph is 59.6 mph on 205/50R15.

Is this a safe swap?

Diameter difference −0.61%: under 1%

By overall diameter alone, 205/50R15 is a near match for 195/60R14; 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.

195/60R14 vs 205/50R15 differences
Measurement	195/60R14	205/50R15	Difference	% diff
Overall diameter	23.21 in (589.6 mm)	23.07 in (586.0 mm)	−0.14 in (−3.6 mm)	−0.61%
Sidewall height	4.61 in (117.0 mm)	4.04 in (102.5 mm)	−0.57 in (−14.5 mm)	−12.39%
Section width	7.68 in (195.0 mm)	8.07 in (205.0 mm)	+0.39 in (+10.0 mm)	+5.13%
Circumference	72.92 in (1,852.3 mm)	72.48 in (1,841.0 mm)	−0.45 in (−11.3 mm)	−0.61%
Revolutions per mile	869	874	+5	+0.61%

True speed with the speedometer calibrated for 195/60R14
Indicated	Actual on 195/60R14	Actual on 205/50R15	Difference
30 mph	30.0 mph	29.8 mph	−0.2 mph
60 mph	60.0 mph	59.6 mph	−0.4 mph
75 mph	75.0 mph	74.5 mph	−0.5 mph

Ride-height change: 205/50R15 lowers the vehicle by 0.07 in (1.8 mm) at the axle (half the −3.6 mm diameter difference).

205/50R15 is 0.14 in shorter than 195/60R14 and 10 mm wider, a 0.61% difference in overall diameter.

With the speedometer calibrated for 195/60R14, an indicated 60 mph is actually 59.6 mph on 205/50R15, and revolutions per mile change from 869 to 874.

205/50R15 mounts on a 15-inch wheel, a plus-1 fitment from the 14-inch wheel of 195/60R14.

Size pages

Other comparisons with 195/60R14

Other comparisons with 205/50R15

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