25 grams of sunflower seeds is a small serving that fits easily in the palm of your hand. It is about the size of a golf ball when poured into a loose pile.

In kitchen measures
2.92 tablespoons
8.75 tsp · 2.92 tbsp · 0.182 cups
about the size of a golf ball
Density estimated by AI from typical values. Sunflower seeds typically ranges 0.5–0.65 g/mL depending on how it's packed. A firmly packed scoop weighs more.