235/60R17 vs 225/65R17
225/65R17 is a safe swap for 235/60R17 by the usual ±3% rule: the diameter differs by +1.47%.
Speedometer and odometer
With 225/65R17 on a car calibrated for 235/60R17, the speedometer reads 59.1 mph when you're really doing 60, and the odometer under-counts by 1.5%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 30.4 mph |
| 45 mph | 45.7 mph |
| 60 mph | 60.9 mph |
| 70 mph | 71.0 mph |
| 80 mph | 81.2 mph |
Other sizes close to 235/60R17
- 235/60R17 vs 225/55R17-4.83%
- 235/60R17 vs 235/55R18+0.27%
- 235/60R17 vs 235/65R17+3.29%
- 235/60R17 vs 235/55R17-3.29%
- 235/60R17 vs 225/60R17-1.68%
- 235/60R17 vs 215/65R17-0.35%
- 235/60R17 vs 215/70R16-0.90%
- 235/60R17 vs 215/60R17-3.36%
- 235/60R17 vs 235/65R16-0.27%
- 235/60R17 vs 255/60R17+3.36%
- 235/60R17 vs 275/55R17+2.87%
Questions
Can I replace 235/60R17 with 225/65R17?
225/65R17 is a safe swap for 235/60R17 by the usual ±3% rule: the diameter differs by +1.47%.
What's the difference between 235/60R17 and 225/65R17?
225/65R17 is 0.41" taller and 10 mm narrower; the sidewall is +0.21". At an indicated 60 mph you'd actually be doing 60.9 mph.
Will 225/65R17 fit on 235/60R17 wheels?
Both use a 17" rim, so the wheel diameter matches; check the wheel's width range for a 225 mm tire and the fender clearance.