Comparison & Reports
Compare multiple sizes and generate a report
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Comparison Result
| Item | Diameter (mm) | Difference (%) | Sidewall (mm) | Width (mm) | Speed Error (%) | Revs / km | Ground Clearance (mm) | Safety |
|---|---|---|---|---|---|---|---|---|
| 215/55 R17 (Baseline) | 668.30 mm | — | 118.25 mm | 215 mm | — | 476.3 | — | Baseline |
| 225/50 R17 | 656.80 mm | -1.72% | 112.50 mm | 225 mm | -1.72% | 484.6 | -5.75 mm | Excellent |
| 235/45 R18 | 668.70 mm | +0.06% | 105.75 mm | 235 mm | +0.06% | 476.0 | +0.20 mm | Excellent |
| 225/45 R18 | 659.70 mm | -1.29% | 101.25 mm | 225 mm | -1.29% | 482.5 | -4.30 mm | Excellent |
Overall Diameter Comparison Chart
668.3656.8668.7659.7
BaselineExcellentAcceptableNot recommended
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Note
Values shown are calculated from standard formulas — actual results may vary by tire brand and model.
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