It is exactly one teaspoon.
One standard US teaspoon is defined as 4.929ml. In the UK it is defined as 4.736 mL, and a metric teaspoon is defined as 5ml exactly.
.06 liters
NONE ! - metres is a measure of length and cannot be translated to teaspoons or any other unit of volume.
It is about 50 teaspoons.
That is 50 teaspoons
That is 8 teaspoons.
That is 42 teaspoons.
768 teaspoons in agallon.
That is 20 teaspoons.
That is 2.4 teaspoons.
That is 51 teaspoons.
About 30 teaspoons
90 teaspoons is 1.875 cups.