METHOD
How it is calculated
Diameter = rim inches × 25.4 + 2 × width × aspect ratio/100.
→ Vehicles and transport
Tyre size comparison
Compare tyre diameters and the theoretical speed effect.
01
Your inputs
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02
Your result
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TRACEABLE
Sources and validity
Basic arithmetic or geometry using the formula shown. Uses only your inputs.
How we maintain data ↗