TireSizesFinder

205/75R14 vs 235/60R15

235/60R15 is 0.00 in (0.1 mm) shorter than 205/75R14, a −0.02% diameter difference. With the speedometer set for 205/75R14, an indicated 60 mph is 60.0 mph on 235/60R15.

Is this a safe swap?

Diameter difference −0.02%: under 1%

By overall diameter alone, 235/60R15 is a near match for 205/75R14; 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: 205/75R14 (26.11 in) vs 235/60R15 (26.10 in)205/75R1426.11 in × 8.07 in235/60R1526.10 in × 9.25 in
Side profile and tread width, drawn to the same scale.
205/75R14 vs 235/60R15 differences
Measurement205/75R14235/60R15Difference% diff
Overall diameter26.11 in (663.1 mm)26.10 in (663.0 mm)0.00 in (−0.1 mm)−0.02%
Sidewall height6.05 in (153.8 mm)5.55 in (141.0 mm)−0.50 in (−12.7 mm)−8.29%
Section width8.07 in (205.0 mm)9.25 in (235.0 mm)+1.18 in (+30.0 mm)+14.63%
Circumference82.02 in (2,083.2 mm)82.00 in (2,082.9 mm)−0.01 in (−0.3 mm)−0.02%
Revolutions per mile7737730+0.02%
True speed with the speedometer calibrated for 205/75R14
IndicatedActual on 205/75R14Actual on 235/60R15Difference
30 mph30.0 mph30.0 mph0.0 mph
60 mph60.0 mph60.0 mph0.0 mph
75 mph75.0 mph75.0 mph0.0 mph

Ride-height change: 235/60R15 does not change the vehicle at the axle (half the −0.1 mm diameter difference).

235/60R15 is the same height as 205/75R14 and 30 mm wider, a 0.02% difference in overall diameter.

With the speedometer calibrated for 205/75R14, an indicated 60 mph is actually 60.0 mph on 235/60R15, and revolutions per mile change from 773 to 773.

235/60R15 mounts on a 15-inch wheel, a plus-1 fitment from the 14-inch wheel of 205/75R14.

Size pages

Other comparisons with 205/75R14

Other comparisons with 235/60R15

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