275/60R18 vs 235/65R19 tire size
235/65R19 vs 275/60R18, diameter
+0.1% taller
- Speedometer
- 59.9 mph
- At a true 60 mph
- Diameter
- 31.03 in
- Was 30.99 in
- Revs per mile
- 650
- Was 651
- 3% guideline
- Within
Car built for 275/60R18, now on 235/65R19.
275/60R18 and 235/65R19
| Measure | 275/60R18 | 235/65R19 | Difference |
|---|---|---|---|
| Width, mm | 275 | 235 | -40 |
| Sidewall, % of width | 60 | 65 | +5 |
| Rim, in | 18 | 19 | +1 |
| Section height, in | 6.50 | 6.01 | -0.48 |
| Diameter, in | 30.99 | 31.03 | +0.04 (+0.1%) |
| Circumference, in | 97.4 | 97.5 | +0.1 |
| Revs per mile | 651 | 650 | -1 (-0.1%) |
Fitting 235/65R19 instead of 275/60R18
Within the usual 3% diameter guideline.
- Needs 19 in wheels.
Cars with 275/60R18
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.
- Two or more sources agree
- One source
- Model-level or estimate
- Sources differ