235/60R17 vs 225/50R19

225/50R19 is 0.24 in (6.2 mm) shorter than 235/60R17, a −0.87% diameter difference. With the speedometer set for 235/60R17, an indicated 60 mph is 59.5 mph on 225/50R19.

Is this a safe swap?

Diameter difference −0.87%: under 1%

By overall diameter alone, 225/50R19 is a near match for 235/60R17; the speedometer changes by less than 1%. 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.

235/60R17 vs 225/50R19 differences
Measurement	235/60R17	225/50R19	Difference	% diff
Overall diameter	28.10 in (713.8 mm)	27.86 in (707.6 mm)	−0.24 in (−6.2 mm)	−0.87%
Sidewall height	5.55 in (141.0 mm)	4.43 in (112.5 mm)	−1.12 in (−28.5 mm)	−20.21%
Section width	9.25 in (235.0 mm)	8.86 in (225.0 mm)	−0.39 in (−10.0 mm)	−4.26%
Circumference	88.29 in (2,242.5 mm)	87.52 in (2,223.0 mm)	−0.77 in (−19.5 mm)	−0.87%
Revolutions per mile	718	724	+6	+0.88%

True speed with the speedometer calibrated for 235/60R17
Indicated	Actual on 235/60R17	Actual on 225/50R19	Difference
30 mph	30.0 mph	29.7 mph	−0.3 mph
60 mph	60.0 mph	59.5 mph	−0.5 mph
75 mph	75.0 mph	74.3 mph	−0.7 mph

Ride-height change: 225/50R19 lowers the vehicle by 0.12 in (3.1 mm) at the axle (half the −6.2 mm diameter difference).

225/50R19 is 0.24 in shorter than 235/60R17 and 10 mm narrower, a 0.87% difference in overall diameter.

With the speedometer calibrated for 235/60R17, an indicated 60 mph is actually 59.5 mph on 225/50R19, and revolutions per mile change from 718 to 724.

225/50R19 mounts on a 19-inch wheel, a plus-2 fitment from the 17-inch wheel of 235/60R17.

Size pages

Other comparisons with 235/60R17

Other comparisons with 225/50R19

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