50 grams of dried beans is a small portion that fits easily in the palm of your hand. It is about the size of a large egg.

In kitchen measures
4.23 tablespoons
12.7 tsp · 4.23 tbsp · 0.264 cups
about the size of a large egg
Dried beans typically ranges 0.72–0.86 g/mL depending on how it's packed. A firmly packed scoop weighs more.