Cubic Meters
A cubic meter is a metric unit of volume which is the equivelent space occupied by a cube with 1 meter on each of its sides.
Denoted by symbol "m³", it is a unit of measurement in the International System of Units (SI) and is generally used for larger volume measurements.
Teaspoon
There is more than one type of teaspoon:
A US teaspoon is 4.93ml: US teaspoon
A UK teaspoon is 5ml: UK teaspoon