25 grams of granulated sugar is a small amount that measures 1.99 tbsp (29.4 mL). You can visualize this amount as a loose pile 2.7 in (6.85 cm) wide and 0.944 in (2.4 cm) tall, which is about the size of a ping-pong ball.

In kitchen measures
1.99 tablespoons
5.97 tsp · 1.99 tbsp · 0.124 cups
about the size of a ping-pong ball
Granulated sugar typically ranges 0.8–0.94 g/mL depending on how it's packed. A firmly packed scoop weighs more.