TireSizesFinder

205/70R14 vs 195/65R15

195/65R15 is 0.32 in (8.1 mm) shorter than 205/70R14, a −1.26% diameter difference. With the speedometer set for 205/70R14, an indicated 60 mph is 59.2 mph on 195/65R15.

Is this a safe swap?

Diameter difference −1.26%: within the ±3% guideline

By overall diameter alone, 195/65R15 falls inside the ±3% range commonly used as a guideline when replacing 205/70R14. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 205/70R14 (25.30 in) vs 195/65R15 (24.98 in)205/70R1425.30 in × 8.07 in195/65R1524.98 in × 7.68 in
Side profile and tread width, drawn to the same scale.
205/70R14 vs 195/65R15 differences
Measurement205/70R14195/65R15Difference% diff
Overall diameter25.30 in (642.6 mm)24.98 in (634.5 mm)−0.32 in (−8.1 mm)−1.26%
Sidewall height5.65 in (143.5 mm)4.99 in (126.8 mm)−0.66 in (−16.7 mm)−11.67%
Section width8.07 in (205.0 mm)7.68 in (195.0 mm)−0.39 in (−10.0 mm)−4.88%
Circumference79.48 in (2,018.8 mm)78.48 in (1,993.3 mm)−1.00 in (−25.4 mm)−1.26%
Revolutions per mile797807+10+1.28%
True speed with the speedometer calibrated for 205/70R14
IndicatedActual on 205/70R14Actual on 195/65R15Difference
30 mph30.0 mph29.6 mph−0.4 mph
60 mph60.0 mph59.2 mph−0.8 mph
75 mph75.0 mph74.1 mph−0.9 mph

Ride-height change: 195/65R15 lowers the vehicle by 0.16 in (4.0 mm) at the axle (half the −8.1 mm diameter difference).

195/65R15 is 0.32 in shorter than 205/70R14 and 10 mm narrower, a 1.26% difference in overall diameter.

With the speedometer calibrated for 205/70R14, an indicated 60 mph is actually 59.2 mph on 195/65R15, and revolutions per mile change from 797 to 807.

195/65R15 mounts on a 15-inch wheel, a plus-1 fitment from the 14-inch wheel of 205/70R14.

Size pages

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