# Volume - Units Of Volume, The Volume Of Solids, The Volume Of Liquids And Gases

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Volume is the amount of space occupied by an object or a material. Volume is said to be a derived unit, since the volume of an object can be known from other measurements. In order to find the volume of a rectangular box, for example, one only needs to know the length, width, and depth of the box. Then the volume can be calculated from the formula, V = l × w × d.

Volume of most physical objects is a function of two other factors, **temperature** and **pressure**. In general, the volume of an object increases with an increase in temperature and decreases with an increase in pressure. Some exceptions exist to this general rule. For example, when **water** is heated from a temperature of 32°F (0°C) to 39°F (4°C), it decreases in volume. Above 39°F (4°C), however, further heating of water results in an increase in volume that is more characteristic of **matter**.

## Additional topics

- Volume - Units Of Volume
- Volume - The Volume Of Solids
- Volume - The Volume Of Liquids And Gases
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