500 grams of clams in shell is about the size of a quart. When poured into a loose pile, it measures 7.71 in (19.6 cm) wide and 2.8 in (7.11 cm) tall.

In kitchen measures
3.02 cups
145 tsp · 48.3 tbsp · 3.02 cups
about the size of a quart
Density estimated by AI from typical values. Clams in shell typically ranges 0.6–0.8 g/mL depending on how it's packed. A firmly packed scoop weighs more.