TireSizesFinder

195/60R14 vs 195/55R15

195/55R15 is 0.23 in (5.9 mm) taller than 195/60R14, a +1.00% diameter difference. With the speedometer set for 195/60R14, an indicated 60 mph is 60.6 mph on 195/55R15.

Is this a safe swap?

Diameter difference +1.00%: within the ±3% guideline

By overall diameter alone, 195/55R15 falls inside the ±3% range commonly used as a guideline when replacing 195/60R14. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 195/60R14 (23.21 in) vs 195/55R15 (23.44 in)195/60R1423.21 in × 7.68 in195/55R1523.44 in × 7.68 in
Side profile and tread width, drawn to the same scale.
195/60R14 vs 195/55R15 differences
Measurement195/60R14195/55R15Difference% diff
Overall diameter23.21 in (589.6 mm)23.44 in (595.5 mm)+0.23 in (+5.9 mm)+1.00%
Sidewall height4.61 in (117.0 mm)4.22 in (107.3 mm)−0.38 in (−9.7 mm)−8.33%
Section width7.68 in (195.0 mm)7.68 in (195.0 mm)0.00 in (0.0 mm)0.00%
Circumference72.92 in (1,852.3 mm)73.65 in (1,870.8 mm)+0.73 in (+18.5 mm)+1.00%
Revolutions per mile869860−9−0.99%
True speed with the speedometer calibrated for 195/60R14
IndicatedActual on 195/60R14Actual on 195/55R15Difference
30 mph30.0 mph30.3 mph+0.3 mph
60 mph60.0 mph60.6 mph+0.6 mph
75 mph75.0 mph75.8 mph+0.8 mph

Ride-height change: 195/55R15 raises the vehicle by 0.12 in (3.0 mm) at the axle (half the +5.9 mm diameter difference).

195/55R15 is 0.23 in taller than 195/60R14 and the same width, a 1.00% difference in overall diameter.

With the speedometer calibrated for 195/60R14, an indicated 60 mph is actually 60.6 mph on 195/55R15, and revolutions per mile change from 869 to 860.

195/55R15 mounts on a 15-inch wheel, a plus-1 fitment from the 14-inch wheel of 195/60R14.

Size pages

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