TireSizesFinder

195/75R14 vs 215/65R15

215/65R15 is 0.49 in (12.4 mm) taller than 195/75R14, a +1.91% diameter difference. With the speedometer set for 195/75R14, an indicated 60 mph is 61.1 mph on 215/65R15.

Is this a safe swap?

Diameter difference +1.91%: within the ±3% guideline

By overall diameter alone, 215/65R15 falls inside the ±3% range commonly used as a guideline when replacing 195/75R14. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 195/75R14 (25.52 in) vs 215/65R15 (26.00 in)195/75R1425.52 in × 7.68 in215/65R1526.00 in × 8.46 in
Side profile and tread width, drawn to the same scale.
195/75R14 vs 215/65R15 differences
Measurement195/75R14215/65R15Difference% diff
Overall diameter25.52 in (648.1 mm)26.00 in (660.5 mm)+0.49 in (+12.4 mm)+1.91%
Sidewall height5.76 in (146.3 mm)5.50 in (139.8 mm)−0.26 in (−6.5 mm)−4.44%
Section width7.68 in (195.0 mm)8.46 in (215.0 mm)+0.79 in (+20.0 mm)+10.26%
Circumference80.16 in (2,036.1 mm)81.69 in (2,075.0 mm)+1.53 in (+39.0 mm)+1.91%
Revolutions per mile790776−15−1.88%
True speed with the speedometer calibrated for 195/75R14
IndicatedActual on 195/75R14Actual on 215/65R15Difference
30 mph30.0 mph30.6 mph+0.6 mph
60 mph60.0 mph61.1 mph+1.1 mph
75 mph75.0 mph76.4 mph+1.4 mph

Ride-height change: 215/65R15 raises the vehicle by 0.24 in (6.2 mm) at the axle (half the +12.4 mm diameter difference).

215/65R15 is 0.49 in taller than 195/75R14 and 20 mm wider, a 1.91% difference in overall diameter.

With the speedometer calibrated for 195/75R14, an indicated 60 mph is actually 61.1 mph on 215/65R15, and revolutions per mile change from 790 to 776.

215/65R15 mounts on a 15-inch wheel, a plus-1 fitment from the 14-inch wheel of 195/75R14.

Size pages

Other comparisons with 195/75R14

Other comparisons with 215/65R15

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