Derived Units
Derived units are units of measurement that are created by combining base units with mathematical operations or other base units. These units are used to measure quantities that are derived from fundamental quantities like length, mass, time, electric current, temperature, amount of substance, and luminous intensity.

Examples of Derived Units
- Area: Derived from the base unit of length, the square meter (m²) is used to measure two-dimensional space.
- Volume: Derived from the base unit of length, the cubic meter (m³) is used to measure three-dimensional space.
- Speed: Derived from the base units of length and time, meters per second (m/s) is used to measure the rate of motion.
- Density: Derived from the base units of mass and volume, kilograms per cubic meter (kg/m³) is used to measure the mass per unit volume of a substance.

Importance of Derived Units
Derived units allow us to express complex measurements in a concise and standardized way. They help in simplifying calculations and ensuring consistency in scientific communication. By using derived units, scientists and engineers can easily convert between different units and compare measurements across different experiments and studies.

Conclusion
Derived units play a crucial role in the field of science and engineering by providing a systematic way to measure and quantify various physical properties. Understanding derived units is essential for accurately analyzing and interpreting experimental data and making meaningful comparisons between different scientific studies.