How many wine bottles fit inside an Olympic swimming pool?

Wine bottle · 1,500 cm³ Olympic swimming pool · 2,500 m³ packing 0.70

The answer

1,100,000wine bottles

World Aquatics spec: 50 by 25 metres, two metres deep minimum.

Crammed No. 9 ran on September 5, 2026. Source: World Aquatics spec: 50 x 25 x 2 m minimum depth.
Answers are given to two significant figures.