31 inch tire diameter cross-reference
Overall diameter
12 curated TireFitLab seed sizes round to about 31 inches overall diameter. Use the table to find similar-height sizes, then compare exact dimensions before fitting.
- 12 curated TireFitLab seed sizes round to about 31 inches overall diameter.
- Use the table to find similar-height sizes, then compare exact dimensions before fitting.
FAQ
- Overall diameter
- 12 curated TireFitLab seed sizes round to about 31 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 |
|---|---|---|---|---|---|
| 31x10.50R15 | 31.00 in | +4.1 mm | 267 mm | 15 in | Open calculator |
| 265/70R16 | 30.61 in | -5.9 mm | 265 mm | 16 in | Open calculator |
| 31x10.50R16 | 31.00 in | +4.1 mm | 267 mm | 16 in | Open calculator |
| 245/70R17 | 30.50 in | -8.5 mm | 245 mm | 17 in | Open calculator |
| 265/65R17 | 30.56 in | -7.0 mm | 265 mm | 17 in | Open calculator |
| 245/65R18 | 30.54 in | -7.6 mm | 245 mm | 18 in | Open calculator |
| 265/60R18 | 30.52 in | -8.1 mm | 265 mm | 18 in | Open calculator |
| 285/60R18 | 31.46 in | +15.9 mm | 285 mm | 18 in | Open calculator |
| 275/55R19 | 30.91 in | +1.8 mm | 275 mm | 19 in | Open calculator |
| 285/50R20 | 31.22 in | +9.7 mm | 285 mm | 20 in | Open calculator |
| 275/45R21 | 30.74 in | -2.4 mm | 275 mm | 21 in | Open calculator |
| 285/40R22 | 30.98 in | +3.5 mm | 285 mm | 22 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.