Of Rods, Barrels, and Castings: Units of Measure in Faerûn

When adventurers in Faerûn tally their loot, when merchants count their wares in the bustling streets of Waterdeep, or when a dwarven stillmaster measures out moonshine in the Underdark—there’s one thing they all rely on: units of measure. But unlike our modern world of liters, kilograms, and miles per hour, Faerûn’s systems are delightfully inconsistent, hyper-regional, and infused with centuries of tradition, trade, and even magic.

Let’s take a tour through the wonderfully eclectic system o...