225/75R16 vs 245/70R16 tire size
245/70R16 vs 225/75R16, diameter
+0.7% taller
- Speedometer
- 59.6 mph
- At a true 60 mph
- Diameter
- 29.50 in
- Was 29.29 in
- Revs per mile
- 684
- Was 689
- 3% guideline
- Within
Car built for 225/75R16, now on 245/70R16.
225/75R16 and 245/70R16
| Measure | 225/75R16 | 245/70R16 | Difference |
|---|---|---|---|
| Width, mm | 225 | 245 | +20 |
| Sidewall, % of width | 75 | 70 | -5 |
| Rim, in | 16 | 16 | 0 |
| Section height, in | 6.64 | 6.75 | +0.11 |
| Diameter, in | 29.29 | 29.50 | +0.22 (+0.7%) |
| Circumference, in | 92.0 | 92.7 | +0.7 |
| Revs per mile | 689 | 684 | -5 (-0.7%) |
Fitting 245/70R16 instead of 225/75R16
Within the usual 3% diameter guideline.
- 20 mm wider. Check rubbing at full lock.
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