Capacitors are rated in:

Capacitors are rated in both Farads and microfarads because these units provide a range of values suitable for different applications. The Farad is the base unit of capacitance in the International System of Units (SI), but it represents a relatively large quantity of capacitance. Due to the vast variety of capacitors used in electronic circuits, values are often expressed in smaller units such as microfarads (one microfarad is one-millionth of a farad). This allows designers and engineers to work with more manageable numbers while selecting capacitors for specific applications.

In practice, you might encounter various capacitors rated in both units, particularly in consumer electronics, where values typically range from picofarads to microfarads, and for larger capacitors used in power applications that might be rated in farads. Recognizing both units is essential for understanding capacitor specifications and ensuring proper components are selected. This understanding aids in circuit design and troubleshooting by providing clarity on capacitance values.