100 grams of pearl barley is a standard portion that measures 3.53 oz (100 g). You can visualize this amount as a loose pile that is 4.62 in (11.7 cm) wide and 1.33 in (3.39 cm) tall, which is about the size of a tennis ball.

In kitchen measures
8.25 tablespoons
24.7 tsp · 8.25 tbsp · 0.515 cups
about the size of a tennis ball
Density estimated by AI from typical values. Pearl barley typically ranges 0.75–0.88 g/mL depending on how it's packed. A firmly packed scoop weighs more.