225/60R16 vs 235/60R16 at a glance
| Measure | 225/60R16 (current) | 235/60R16 (new) | Difference |
|---|---|---|---|
| Overall height | 26.63 in | 27.10 in | +0.47 in (+1.77%) |
| Width | 8.86 in (225 mm) | 9.25 in (235 mm) | +10 mm |
| Sidewall | 5.31 in | 5.55 in | +0.24 in |
| Wheel | 16 in | 16 in | +0 in |
| Circumference | 83.7 in | 85.1 in | +1.5 in |
| Revs per mile | 757.3 | 744.1 | −13.2 |
Verdict: close match
Within the 3% rule of thumb, so the speedometer, gearing and ride height change little. Going from 225/60R16 to 235/60R16 is a 1.8% increase in overall height (+0.47 in), and the vehicle sits about 0.24 in higher. The tire is 10 mm wider. The 3% rule of thumb comes from Discount Tire and 1010tires; it is not a guarantee of fit.
True speed and odometer
| Speedometer shows | You are really doing | Difference |
|---|---|---|
| 35 mph | 35.6 mph | +0.6 mph |
| 45 mph | 45.8 mph | +0.8 mph |
| 55 mph | 56.0 mph | +1.0 mph |
| 60 mph | 61.1 mph | +1.1 mph |
| 65 mph | 66.2 mph | +1.2 mph |
| 70 mph | 71.2 mph | +1.2 mph |
| 75 mph | 76.3 mph | +1.3 mph |
Odometer: 1,000 indicated miles is 1,018 real miles, and 10,000 is 10,177.
The math
225/60R16: 16 + 2 × (225 × 60% ÷ 25.4) = 26.63 in. 235/60R16: 16 + 2 × (235 × 60% ÷ 25.4) = 27.10 in. Change = 27.10 ÷ 26.63 − 1 = +1.77%. True speed at 60 = 60 × 27.10 ÷ 26.63 = 61.06 mph.
Check next
- Regear and RPM at cruise for this swap
- Speedometer and odometer correction
- Other sizes within ±3% of 225/60R16
Calculated from the size alone. Real tires vary a little by brand and model, and the loaded radius is a bit smaller. Confirm the wheel width range, clearance, load index and speed rating for your vehicle. See how to read a tire size, the load index chart and the speed rating chart.
Size pages: 225/60R16 · 235/60R16. More swaps: all tire size comparisons.