The world’s largest gold bar, on display at Japan’s Toi Gold Museum, weighs 250 kg (≈8,038 troy oz) and is worth over USD 26 million at current spot prices.
Modern Olympic gold medals are 92.5 % silver, plated with at least 6 g of pure gold.
All the gold ever mined — around 155 million kg — would fit into a cube of about 8,000 m³, roughly 20 m on each side.
Members of the London Bullion Market trade roughly 20 million troy oz of gold daily (≈620 tonnes), about one‑sixth of annual global mine production.
