Capacitance Converter

The Capacitance Converter converts between all standard units of electrical capacitance, from picofarads to kilofarads. Capacitance, measured in farads (F), is the ability of a component to store electric charge.

The farad is an extremely large unit — a 1-farad capacitor would be physically enormous in traditional construction. Most practical capacitors are measured in picofarads (pF) for RF circuits and small ceramic capacitors, nanofarads (nF) for film and ceramic capacitors, microfarads (µF) for electrolytic and film capacitors, and millifarads (mF) or farads for supercapacitors and energy storage systems.

A farad is defined as one coulomb per volt (C/V): the capacitance that stores one coulomb of charge when one volt is applied. Named after Michael Faraday, the farad became part of the SI system in 1960. Modern supercapacitors can achieve capacitances of hundreds or thousands of farads, used in energy harvesting, backup power, and regenerative braking.

Capacitor identification often causes confusion due to the multiple unit scales. A "104" code on a ceramic capacitor means 10 x 10⁴ = 100,000 pF = 100 nF = 0.1 µF. Our converter eliminates this confusion by providing instant conversion between all standard capacitance units.

Capacitance is critical in timing circuits (RC time constant = R x C), filters (cutoff frequency = 1/(2πRC)), power supply decoupling, energy storage (E = ½CV²), and signal coupling. Proper unit conversion ensures correct component selection and circuit performance.