1 teaspoon of instant yeast is a small amount of leavening agent that weighs 0.096 oz (2.71 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.
Nobody has photographed 1 teaspoon of instant yeast yet.
Volume
Weighs 0.096 oz (2.71 g)
about half the size of a cherry
Instant yeast typically ranges 0.5–0.62 g/mL depending on how it's packed. A firmly packed scoop weighs more.