2 teaspoons of baking powder is a small amount that weighs 0.33 oz (9.36 g). When poured into a loose pile, it measures 1.76 in (4.48 cm) wide and 0.74 in (1.88 cm) tall, which is about the size of a grape.

In kitchen measures
2 teaspoons
2 tsp · 0.667 tbsp · 0.042 cups
about the size of a grape
Baking powder typically ranges 0.85–1.05 g/mL depending on how it's packed. A firmly packed scoop weighs more.