Olympic pool vs Tennis court: size comparison
Olympic pool: 50 m. Tennis court: 23.8 m. Both silhouettes are drawn at the same scale.
Size ratio: ×2.1
Olympic pool
50 m
What is measured Length of an Olympic-size swimming pool
It holds about 2,500 m³ of water: 2.5 million litres.
Tennis court
23.8 m
What is measured Length of a regulation tennis court
23.77 m, exactly 78 feet.
Source : Wikipedia — Tennis court