TireSizesFinder

225/50R15 vs 195/60R15

195/60R15 is 0.35 in (9.0 mm) taller than 225/50R15, a +1.49% diameter difference. With the speedometer set for 225/50R15, an indicated 60 mph is 60.9 mph on 195/60R15.

Is this a safe swap?

Diameter difference +1.49%: within the ±3% guideline

By overall diameter alone, 195/60R15 falls inside the ±3% range commonly used as a guideline when replacing 225/50R15. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 225/50R15 (23.86 in) vs 195/60R15 (24.21 in)225/50R1523.86 in × 8.86 in195/60R1524.21 in × 7.68 in
Side profile and tread width, drawn to the same scale.
225/50R15 vs 195/60R15 differences
Measurement225/50R15195/60R15Difference% diff
Overall diameter23.86 in (606.0 mm)24.21 in (615.0 mm)+0.35 in (+9.0 mm)+1.49%
Sidewall height4.43 in (112.5 mm)4.61 in (117.0 mm)+0.18 in (+4.5 mm)+4.00%
Section width8.86 in (225.0 mm)7.68 in (195.0 mm)−1.18 in (−30.0 mm)−13.33%
Circumference74.95 in (1,903.8 mm)76.07 in (1,932.1 mm)+1.11 in (+28.3 mm)+1.49%
Revolutions per mile845833−12−1.46%
True speed with the speedometer calibrated for 225/50R15
IndicatedActual on 225/50R15Actual on 195/60R15Difference
30 mph30.0 mph30.4 mph+0.4 mph
60 mph60.0 mph60.9 mph+0.9 mph
75 mph75.0 mph76.1 mph+1.1 mph

Ride-height change: 195/60R15 raises the vehicle by 0.18 in (4.5 mm) at the axle (half the +9.0 mm diameter difference).

195/60R15 is 0.35 in taller than 225/50R15 and 30 mm narrower, a 1.49% difference in overall diameter.

With the speedometer calibrated for 225/50R15, an indicated 60 mph is actually 60.9 mph on 195/60R15, and revolutions per mile change from 845 to 833.

Both sizes mount on 15-inch wheels.

Size pages

Other comparisons with 225/50R15

Other comparisons with 195/60R15

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