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235/60R18 vs 265/50R19 tire size

265/50R19 vs 235/60R18, diameter

+1.1% taller

Speedometer
59.3 mph
At a true 60 mph
Diameter
29.43 in
Was 29.10 in
Revs per mile
685
Was 693
3% guideline
Within

Car built for 235/60R18, now on 265/50R19.

235/60R18 and 265/50R19

235/60R18 vs 265/50R19 tire size
Measure235/60R18265/50R19Difference
Width, mm235265+30
Sidewall, % of width6050-10
Rim, in1819+1
Section height, in5.555.22-0.33
Diameter, in29.1029.43+0.33 (+1.1%)
Circumference, in91.492.5+1.0
Revs per mile693685-8 (-1.1%)

Fitting 265/50R19 instead of 235/60R18

Within the usual 3% diameter guideline.

  • Needs 19 in wheels.
  • 30 mm wider. Check rubbing at full lock.

Cars with 235/60R18

What this cannot tell you

Diameter within 3% is a common shop guideline, not a maker spec.

Load index, offset and clearance are not in this data.

How values are checked