225/60R19 vs 245/50R20 tire size
245/50R20 vs 225/60R19, diameter
Same diameter
- Speedometer
- 60.0 mph
- At a true 60 mph
- Diameter
- 29.65 in
- Was 29.63 in
- Revs per mile
- 680
- Was 681
- 3% guideline
- Within
Car built for 225/60R19, now on 245/50R20.
225/60R19 and 245/50R20
| Measure | 225/60R19 | 245/50R20 | Difference |
|---|---|---|---|
| Width, mm | 225 | 245 | +20 |
| Sidewall, % of width | 60 | 50 | -10 |
| Rim, in | 19 | 20 | +1 |
| Section height, in | 5.31 | 4.82 | -0.49 |
| Diameter, in | 29.63 | 29.65 | +0.02 (+0.1%) |
| Circumference, in | 93.1 | 93.1 | +0.0 |
| Revs per mile | 681 | 680 | -0 (-0.1%) |
Fitting 245/50R20 instead of 225/60R19
Within the usual 3% diameter guideline.
- Needs 20 in wheels.
- 20 mm wider. Check rubbing at full lock.
Cars with 225/60R19
Cars with 245/50R20
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