Olympic-size swimming pool

A simplified diagram of the FINA long course swimming pool standard.

For larger volumes of liquid, one measure commonly used in the media in many countries is the Olympic-size swimming pool. A large Olympic swimming pool with dimensions 50 m × 25 m × 2 m (approx 164 ft × 82 ft × 6.6 ft) holds 2.5 million litres – about 2 acre-feet, 660,000 gallons, or 1/200,000 of a sydharb.