A 1 teaspoon measure of ground turmeric weighs 0.087 oz (2.46 g). When poured into a loose pile, it is 1.4 in (3.55 cm) wide and 0.587 in (1.49 cm) tall, which is about half the size of a cherry.

In kitchen measures
1 teaspoons
1 tsp · 0.333 tbsp · 0.021 cups
about half the size of a cherry
Ground turmeric typically ranges 0.45–0.58 g/mL depending on how it's packed. A firmly packed scoop weighs more.