The volume of an object is the measure of the amount of three-dimensional space it occupies. It is expressed in cubic units, such as cubic centimeters (cm³), cubic meters (m³), or liters (L) for liquids

. Definition and Units:

• Volume quantifies the space inside a solid object or container.
• For hollow objects, volume refers to the capacity of the interior space that can be filled with a substance like air or liquid.
• The standard unit of volume is a cubic unit, for example, cubic centimeters (cm³) or cubic inches (in³)

Basic Volume Formulas:

• For a rectangular prism (box), volume = length × width × height.
• For a cube, volume = side³.
• For a cylinder, volume = π × radius² × height.
• For a hollow cylinder (cylindrical shell), volume = π × (R² - r²) × height, where R is the external radius and r is the internal radius

Example:
A rectangular water tank with dimensions 2m 75cm, 1m 80cm, and 1m 40cm has a volume calculated as follows:

• Convert all dimensions to cm: 275 cm, 180 cm, 140 cm.
• Volume = 275 × 180 × 140 = 6,930,000 cm³.
• Since 1000 cm³ = 1 liter, the tank can hold 6930 liters of water

In summary, volume measures how much space an object occupies or how much it can contain, calculated by multiplying the relevant dimensions depending on the shape.