SCROOGE MCDUCK IS WEALTHY.

His Money Bin, which is the largest structure in all of Duckburg, is said to comprise three Cubic Acres. An acre —measured in the Middle Ages as the amount of land that could be plowed in one day worth a yoke of oxen—is equal to approximately 4,047 square meters, or 4,840 square yards, or 43,560 square feet.