Teaspoon
There is more than one type of teaspoon:
A US teaspoon is 4.93ml: US teaspoon
A UK teaspoon is 5ml: UK teaspoon
Cubic Centimeters
Cubic centimeters (cm³) are units of volume in the metric system equivelent to a milliliter. A cubic centimeter is a unit of volume equal to the volume of a cube with sides that are each 1 centimeter long. It is commonly used to measure small volumes, such as the volume of a liquid medication or the displacement of an engine. One cubic centimeter is equivalent to one milliliter in volume.