27 inch tire diameter cross-reference
Overall diameter
15 curated TireFitLab seed sizes round to about 27 inches overall diameter. Use the table to find similar-height sizes, then compare exact dimensions before fitting.
- 15 curated TireFitLab seed sizes round to about 27 inches overall diameter.
- Use the table to find similar-height sizes, then compare exact dimensions before fitting.
FAQ
- Overall diameter
- 15 curated TireFitLab seed sizes round to about 27 inches overall diameter. Use the table to find similar-height sizes, then compare exact dimensions before fitting.
- What should I verify before using this information?
- Use TireFitLab values as a sizing reference, then verify the vehicle handbook, tire placard, rim compatibility, load rating, and physical clearance before fitting.
| Candidate size | Overall diameter | Diameter difference | Section width | Rim | Compare |
|---|---|---|---|---|---|
| 215/70R15 | 26.85 in | -3.1 mm | 215 mm | 15 in | Open calculator |
| 225/70R15 | 27.40 in | +10.9 mm | 225 mm | 15 in | Open calculator |
| 215/65R16 | 27.00 in | +0.8 mm | 215 mm | 16 in | Open calculator |
| 225/60R16 | 26.63 in | -8.7 mm | 225 mm | 16 in | Open calculator |
| 235/60R16 | 27.10 in | +3.3 mm | 235 mm | 16 in | Open calculator |
| 215/60R17 | 27.16 in | +4.7 mm | 215 mm | 17 in | Open calculator |
| 225/55R17 | 26.74 in | -5.8 mm | 225 mm | 17 in | Open calculator |
| 235/55R17 | 27.18 in | +5.2 mm | 235 mm | 17 in | Open calculator |
| 235/50R18 | 27.25 in | +7.1 mm | 235 mm | 18 in | Open calculator |
| 245/45R18 | 26.68 in | -7.4 mm | 245 mm | 18 in | Open calculator |
| 255/45R18 | 27.04 in | +1.6 mm | 255 mm | 18 in | Open calculator |
| 245/40R19 | 26.72 in | -6.5 mm | 245 mm | 19 in | Open calculator |
| 255/40R19 | 27.03 in | +1.5 mm | 255 mm | 19 in | Open calculator |
| 245/35R20 | 26.75 in | -5.6 mm | 245 mm | 20 in | Open calculator |
| 255/35R20 | 27.03 in | +1.4 mm | 255 mm | 20 in | Open calculator |
Seed pages are limited to the public TireFitLab size corpus. The long tail stays gated until demand data supports expansion.
How to use diameter bands
Diameter-band pages group popular TireFitLab seed sizes by rounded overall diameter. The group is useful for finding similar-height candidates, but the exact calculator should still be used before any purchase or fitment decision.
Related references
Seasonal check
Planning a long summer drive?
Use the budget and running-cost tools before a trip, especially if the current tyres are worn or the replacement size changes diameter.
What changed
- Added curated overall-diameter cross-reference seed pages.