1 cup of brown sugar (packed) is about the size of a coffee mug. When poured into a loose pile, it measures 5.08 in (12.9 cm) wide and 2.13 in (5.42 cm) tall.

In kitchen measures
16 tablespoons
48 tsp · 16 tbsp · 1 cups
about the size of a coffee mug
Brown sugar (packed) typically ranges 0.85–1 g/mL depending on how it's packed. A firmly packed scoop weighs more.