0.5 cups of dried beans is a common pantry measurement. To help you visualize this amount, it is about the size of a tennis ball.

In kitchen measures
8 tablespoons
24 tsp · 8 tbsp · 0.5 cups
about the size of a tennis ball
Dried beans typically ranges 0.72–0.86 g/mL depending on how it's packed. A firmly packed scoop weighs more.