165/70R13 vs 165/60R14

165/60R14 is 0.30 in (7.6 mm) shorter than 165/70R13, a −1.35% diameter difference. With the speedometer set for 165/70R13, an indicated 60 mph is 59.2 mph on 165/60R14.

Is this a safe swap?

Diameter difference −1.35%: within the ±3% guideline

By overall diameter alone, 165/60R14 falls inside the ±3% range commonly used as a guideline when replacing 165/70R13. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

Side profile and tread width, drawn to the same scale.

165/70R13 vs 165/60R14 differences
Measurement	165/70R13	165/60R14	Difference	% diff
Overall diameter	22.09 in (561.2 mm)	21.80 in (553.6 mm)	−0.30 in (−7.6 mm)	−1.35%
Sidewall height	4.55 in (115.5 mm)	3.90 in (99.0 mm)	−0.65 in (−16.5 mm)	−14.29%
Section width	6.50 in (165.0 mm)	6.50 in (165.0 mm)	0.00 in (0.0 mm)	0.00%
Circumference	69.41 in (1,763.1 mm)	68.47 in (1,739.2 mm)	−0.94 in (−23.9 mm)	−1.35%
Revolutions per mile	913	925	+13	+1.37%

True speed with the speedometer calibrated for 165/70R13
Indicated	Actual on 165/70R13	Actual on 165/60R14	Difference
30 mph	30.0 mph	29.6 mph	−0.4 mph
60 mph	60.0 mph	59.2 mph	−0.8 mph
75 mph	75.0 mph	74.0 mph	−1.0 mph

Ride-height change: 165/60R14 lowers the vehicle by 0.15 in (3.8 mm) at the axle (half the −7.6 mm diameter difference).

165/60R14 is 0.30 in shorter than 165/70R13 and the same width, a 1.35% difference in overall diameter.

With the speedometer calibrated for 165/70R13, an indicated 60 mph is actually 59.2 mph on 165/60R14, and revolutions per mile change from 913 to 925.

165/60R14 mounts on a 14-inch wheel, a plus-1 fitment from the 13-inch wheel of 165/70R13.

Size pages

Other comparisons with 165/70R13

Other comparisons with 165/60R14

Source: Calculated from standard tire geometry formulas. Verified 2026-09-27. How these numbers are calculated.