500 grams of yellow onions consists of about 1.1 lb (500 g) of chopped produce. When poured into a loose pile, it is 8.73 in (22.2 cm) wide and 3.06 in (7.77 cm) tall, which is about the size of a quart.

In kitchen measures
4.23 cups
203 tsp · 67.6 tbsp · 4.23 cups
about the size of a quart
Density estimated by AI from typical values. Yellow onions typically ranges 0.45–0.55 g/mL depending on how it's packed. A firmly packed scoop weighs more.