A single teaspoon of butter weighs 0.158 oz (4.49 g). It is about half the size of a cherry and is shown here next to a us dime, us quarter, and golf ball.
Nobody has photographed 1 teaspoon of butter yet.
Volume
Weighs 0.158 oz (4.49 g)
about half the size of a cherry
Butter typically ranges 0.9–0.92 g/mL depending on how it's packed. A firmly packed scoop weighs more.