A USBC-approved bowling lane has 39 boards, each measuring approximately 2.73 cm (1.07 in). The x-axis is measured in boards. The y-axis is aligned with the minimum moment of inertia axis of the ...

Bowling regulations state that a competition-standard lane should be made up of 39 narrow wooden boards across its 41.5-inch (105.4cm) width. "The position of the ball as it hits the pins is ...