225/60R16 vs 235/65R16
235/65R16 is outside the ±3% rule as a replacement for 225/60R16: the diameter differs by +5.25%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.
Speedometer and odometer
With 235/65R16 on a car calibrated for 225/60R16, the speedometer reads 57.0 mph when you're really doing 60, and the odometer under-counts by 5.2%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 31.6 mph |
| 45 mph | 47.4 mph |
| 60 mph | 63.1 mph |
| 70 mph | 73.7 mph |
| 80 mph | 84.2 mph |
Other sizes close to 225/60R16
- 225/60R16 vs 225/55R17+0.43%
- 225/60R16 vs 215/65R16+1.40%
- 225/60R16 vs 215/55R16-4.95%
- 225/60R16 vs 215/60R16-1.77%
- 225/60R16 vs 205/60R16-3.55%
- 225/60R16 vs 215/70R16+4.58%
- 225/60R16 vs 205/65R16-0.52%
- 225/60R16 vs 225/65R16+3.33%
- 225/60R16 vs 235/60R16+1.77%
- 225/60R16 vs 225/55R16-3.33%
- 225/60R16 vs 215/70R15+0.83%
- 225/60R16 vs 245/50R17+0.06%
Questions
Can I replace 225/60R16 with 235/65R16?
235/65R16 is outside the ±3% rule as a replacement for 225/60R16: the diameter differs by +5.25%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.
What's the difference between 225/60R16 and 235/65R16?
235/65R16 is 1.40" taller and 10 mm wider; the sidewall is +0.70". At an indicated 60 mph you'd actually be doing 63.1 mph.
Will 235/65R16 fit on 225/60R16 wheels?
Both use a 16" rim, so the wheel diameter matches; check the wheel's width range for a 235 mm tire and the fender clearance.