Tire Size Converter

    Convert and compare tire dimensions

    mm
    %
    in

    公式

    Diameter = Rim + 2 × (Width × Aspect / 2540)

    Tire dimensions from metric sizing notation.

    示例

    225/45R17

    24.97" diameter, 843 revs/mile.

    常见问题

    关于 Tire Size

    Convert and compare tire dimensions from metric sizing.