Tennis Ball
(ITF Type 2, Average Size)
Reference: Pelican bill (Adult Bird) · 45 cm length
Reveal round 1 measurement
Reference above · target below. Bars compare the labeled lengths.
0.14889× the reference measurement. Divide 0.067 m (height) by 0.45 m (length).
Publisher’s explanationDiameter: 0.067 m.