Rim diameter guide
How do you match tire size to rim diameter?
The last number in a tire size (R17 = 17 inches) must match the rim diameter exactly. The section width also affects which rim width is recommended — a wider tire needs a wider rim for correct bead seating.
- The last number in a tire size (R17 = 17 inches) must match the rim diameter exactly.
- The section width also affects which rim width is recommended — a wider tire needs a wider rim for correct bead seating.
FAQ
- How do you match tire size to rim diameter?
- The last number in a tire size (R17 = 17 inches) must match the rim diameter exactly. The section width also affects which rim width is recommended — a wider tire needs a wider rim for correct bead seating.
- 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.
- Rim diameter 14"
- Rim diameter 15"
- Rim diameter 16"
- Rim diameter 17"
- Rim diameter 18"
- Rim diameter 19"
- Rim diameter 20"
- Rim diameter 21"
- Rim diameter 22"
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
- Reviewed deterministic geometry, load/speed references, sitemap inclusion and localized page shell.