1 pound of brown sugar (packed) is a dense amount of sweetener that measures 2.06 cups (488 mL). You can visualize this quantity as being about the size of a water bottle.

In kitchen measures
2.06 cups
99 tsp · 33 tbsp · 2.06 cups
about the size of a water bottle
Brown sugar (packed) typically ranges 0.85–1 g/mL depending on how it's packed. A firmly packed scoop weighs more.