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The volume of a solid is the measure of the amount of space inside the solid. It is the three-dimensional equivalent of the area of the figure. Volume is measured using cubic units, such as cubic meters, or m^3. The applet below illustrates the volume of some solids. Move the slider to fill the solids.
Different solids may have different formulas to calculate their volumes. These formulas take the values of important characteristics of each solid as input.
| Solid | Formula |
|---|---|
| Cube | V = s^3 |
| Cone | V=1/3π r^2 h |
| Cylinder | V=π r^2 h |
| Sphere | V=4/3π r^3 |