225/65R16 vs 215/75R15
215/75R15 is a safe swap for 225/65R16 by the usual ±3% rule: the diameter differs by +0.66%.
Speedometer and odometer
With 215/75R15 on a car calibrated for 225/65R16, the speedometer reads 59.6 mph when you're really doing 60, and the odometer under-counts by 0.7%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 30.2 mph |
| 45 mph | 45.3 mph |
| 60 mph | 60.4 mph |
| 70 mph | 70.5 mph |
| 80 mph | 80.5 mph |
Other sizes close to 225/65R16
- 225/65R16 vs 225/60R17+0.41%
- 225/65R16 vs 215/65R16-1.86%
- 225/65R16 vs 215/60R16-4.94%
- 225/65R16 vs 215/70R16+1.22%
- 225/65R16 vs 205/65R16-3.72%
- 225/65R16 vs 235/65R16+1.86%
- 225/65R16 vs 225/60R16-3.22%
- 225/65R16 vs 225/70R16+3.22%
- 225/65R16 vs 235/60R16-1.50%
- 225/65R16 vs 225/70R15-0.41%
- 225/65R16 vs 195/75R160.00%
- 225/65R16 vs 205/70R16-0.79%
Questions
Can I replace 225/65R16 with 215/75R15?
215/75R15 is a safe swap for 225/65R16 by the usual ±3% rule: the diameter differs by +0.66%.
What's the difference between 225/65R16 and 215/75R15?
215/75R15 is 0.18" taller and 10 mm narrower; the sidewall is +0.59". At an indicated 60 mph you'd actually be doing 60.4 mph.
Will 215/75R15 fit on 225/65R16 wheels?
No — 225/65R16 needs a 16" wheel and 215/75R15 a 15" wheel. This is a plus/minus-size swap that changes wheels too.