TireSizesFinder

215/50R17 vs 225/35R19

225/35R19 is 0.26 in (6.7 mm) shorter than 215/50R17, a −1.04% diameter difference. With the speedometer set for 215/50R17, an indicated 60 mph is 59.4 mph on 225/35R19.

Is this a safe swap?

Diameter difference −1.04%: within the ±3% guideline

By overall diameter alone, 225/35R19 falls inside the ±3% range commonly used as a guideline when replacing 215/50R17. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 215/50R17 (25.46 in) vs 225/35R19 (25.20 in)215/50R1725.46 in × 8.46 in225/35R1925.20 in × 8.86 in
Side profile and tread width, drawn to the same scale.
215/50R17 vs 225/35R19 differences
Measurement215/50R17225/35R19Difference% diff
Overall diameter25.46 in (646.8 mm)25.20 in (640.1 mm)−0.26 in (−6.7 mm)−1.04%
Sidewall height4.23 in (107.5 mm)3.10 in (78.8 mm)−1.13 in (−28.7 mm)−26.74%
Section width8.46 in (215.0 mm)8.86 in (225.0 mm)+0.39 in (+10.0 mm)+4.65%
Circumference80.00 in (2,032.0 mm)79.17 in (2,010.9 mm)−0.83 in (−21.0 mm)−1.04%
Revolutions per mile792800+8+1.05%
True speed with the speedometer calibrated for 215/50R17
IndicatedActual on 215/50R17Actual on 225/35R19Difference
30 mph30.0 mph29.7 mph−0.3 mph
60 mph60.0 mph59.4 mph−0.6 mph
75 mph75.0 mph74.2 mph−0.8 mph

Ride-height change: 225/35R19 lowers the vehicle by 0.13 in (3.4 mm) at the axle (half the −6.7 mm diameter difference).

225/35R19 is 0.26 in shorter than 215/50R17 and 10 mm wider, a 1.04% difference in overall diameter.

With the speedometer calibrated for 215/50R17, an indicated 60 mph is actually 59.4 mph on 225/35R19, and revolutions per mile change from 792 to 800.

225/35R19 mounts on a 19-inch wheel, a plus-2 fitment from the 17-inch wheel of 215/50R17.

Size pages

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