215/50R15 vs 195/50R16

195/50R16 is 0.21 in (5.4 mm) taller than 215/50R15, a +0.91% diameter difference. With the speedometer set for 215/50R15, an indicated 60 mph is 60.5 mph on 195/50R16.

Is this a safe swap?

Diameter difference +0.91%: under 1%

By overall diameter alone, 195/50R16 is a near match for 215/50R15; 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: 215/50R15 (23.46 in) vs 195/50R16 (23.68 in)215/50R1523.46 in × 8.46 in195/50R1623.68 in × 7.68 in
Side profile and tread width, drawn to the same scale.
215/50R15 vs 195/50R16 differences
Measurement215/50R15195/50R16Difference% diff
Overall diameter23.46 in (596.0 mm)23.68 in (601.4 mm)+0.21 in (+5.4 mm)+0.91%
Sidewall height4.23 in (107.5 mm)3.84 in (97.5 mm)−0.39 in (−10.0 mm)−9.30%
Section width8.46 in (215.0 mm)7.68 in (195.0 mm)−0.79 in (−20.0 mm)−9.30%
Circumference73.72 in (1,872.4 mm)74.38 in (1,889.4 mm)+0.67 in (+17.0 mm)+0.91%
Revolutions per mile860852−8−0.90%
True speed with the speedometer calibrated for 215/50R15
IndicatedActual on 215/50R15Actual on 195/50R16Difference
30 mph30.0 mph30.3 mph+0.3 mph
60 mph60.0 mph60.5 mph+0.5 mph
75 mph75.0 mph75.7 mph+0.7 mph

Ride-height change: 195/50R16 raises the vehicle by 0.11 in (2.7 mm) at the axle (half the +5.4 mm diameter difference).

195/50R16 is 0.21 in taller than 215/50R15 and 20 mm narrower, a 0.91% difference in overall diameter.

With the speedometer calibrated for 215/50R15, an indicated 60 mph is actually 60.5 mph on 195/50R16, and revolutions per mile change from 860 to 852.

195/50R16 mounts on a 16-inch wheel, a plus-1 fitment from the 15-inch wheel of 215/50R15.

Size pages

Other comparisons with 215/50R15

Other comparisons with 195/50R16

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