Wheel Diameter Calculator
Calculez le diamètre total, la circonférence et la distance parcourue par tour, puis comparez deux montes.
✔ 100% free
Mobile friendly
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Total diameter
Total wheel diameter = rim diameter + 2 × sidewall height. Sidewall height = width × aspect ratio ÷ 100. Circumference = π × diameter. Every revolution travels one circumference.
- Circumference × wheel RPM = real road speed
- A larger tire = fewer revolutions per km = lower RPM at same speed
- A smaller tire = speedometer reads too high compared to GPS
FAQ
De la moitié de la différence de diamètre. Par ex. un écart de 4 mm change la hauteur d’environ 2 mm.
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