0.5 cups of soy sauce is a standard kitchen measurement that equals 8 tbsp. You can picture this amount as being about the size of a tennis ball.

In kitchen measures
8 tablespoons
24 tsp · 8 tbsp · 0.5 cups
about the size of a tennis ball
Density estimated by AI from typical values. Soy sauce typically ranges 1.1–1.2 g/mL depending on how it's packed. A firmly packed scoop weighs more.