30 milliliters of brewed coffee is a small serving that looks about the size of a ping-pong ball. It fills a glass 1.3 in (3.3 cm) wide.

In kitchen measures
2.03 tablespoons
6.09 tsp · 2.03 tbsp · 0.127 cups
about the size of a ping-pong ball
Density estimated by AI from typical values. Brewed coffee typically ranges 0.99–1.01 g/mL depending on how it's packed. A firmly packed scoop weighs more.