100 grams of granulated sugar is a weight of 3.53 oz (100 g) and has a volume of 7.96 tbsp (118 mL). When poured into a loose pile, it is about the size of a tennis ball.

In kitchen measures
7.96 tablespoons
23.9 tsp · 7.96 tbsp · 0.497 cups
about the size of a tennis ball
Granulated sugar typically ranges 0.8–0.94 g/mL depending on how it's packed. A firmly packed scoop weighs more.