235/75R15 vs 225/75R16 tire size
225/75R16 vs 235/75R15, diameter
+1.4% taller
- Speedometer
- 59.2 mph
- At a true 60 mph
- Diameter
- 29.29 in
- Was 28.88 in
- Revs per mile
- 689
- Was 698
- 3% guideline
- Within
Car built for 235/75R15, now on 225/75R16.
235/75R15 and 225/75R16
| Measure | 235/75R15 | 225/75R16 | Difference |
|---|---|---|---|
| Width, mm | 235 | 225 | -10 |
| Sidewall, % of width | 75 | 75 | 0 |
| Rim, in | 15 | 16 | +1 |
| Section height, in | 6.94 | 6.64 | -0.30 |
| Diameter, in | 28.88 | 29.29 | +0.41 (+1.4%) |
| Circumference, in | 90.7 | 92.0 | +1.3 |
| Revs per mile | 698 | 689 | -10 (-1.4%) |
Fitting 225/75R16 instead of 235/75R15
Within the usual 3% diameter guideline.
- Needs 16 in wheels.
Cars with 225/75R16
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