215/70R14 vs 195/70R15

195/70R15 is 0.10 in (2.6 mm) shorter than 215/70R14, a −0.40% diameter difference. With the speedometer set for 215/70R14, an indicated 60 mph is 59.8 mph on 195/70R15.

Is this a safe swap?

Diameter difference −0.40%: under 1%

By overall diameter alone, 195/70R15 is a near match for 215/70R14; 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: 215/70R14 (25.85 in) vs 195/70R15 (25.75 in)215/70R1425.85 in × 8.46 in195/70R1525.75 in × 7.68 in
Side profile and tread width, drawn to the same scale.
215/70R14 vs 195/70R15 differences
Measurement215/70R14195/70R15Difference% diff
Overall diameter25.85 in (656.6 mm)25.75 in (654.0 mm)−0.10 in (−2.6 mm)−0.40%
Sidewall height5.93 in (150.5 mm)5.37 in (136.5 mm)−0.55 in (−14.0 mm)−9.30%
Section width8.46 in (215.0 mm)7.68 in (195.0 mm)−0.79 in (−20.0 mm)−9.30%
Circumference81.21 in (2,062.8 mm)80.89 in (2,054.6 mm)−0.32 in (−8.2 mm)−0.40%
Revolutions per mile780783+3+0.40%
True speed with the speedometer calibrated for 215/70R14
IndicatedActual on 215/70R14Actual on 195/70R15Difference
30 mph30.0 mph29.9 mph−0.1 mph
60 mph60.0 mph59.8 mph−0.2 mph
75 mph75.0 mph74.7 mph−0.3 mph

Ride-height change: 195/70R15 lowers the vehicle by 0.05 in (1.3 mm) at the axle (half the −2.6 mm diameter difference).

195/70R15 is 0.10 in shorter than 215/70R14 and 20 mm narrower, a 0.40% difference in overall diameter.

With the speedometer calibrated for 215/70R14, an indicated 60 mph is actually 59.8 mph on 195/70R15, and revolutions per mile change from 780 to 783.

195/70R15 mounts on a 15-inch wheel, a plus-1 fitment from the 14-inch wheel of 215/70R14.

Size pages

Other comparisons with 215/70R14

Other comparisons with 195/70R15

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