Enter the reactance and resistance of a coil or capacitor into the calculator to determine the Q factor, also known as quality factor.

## Q Factor Formula

The following equation is used to calculate the q factor of a resonator.

Q= X / R

- Q = quality factor
- X = reactance (ohms)
- R = the resistance (ohms)

## FAQ

**What is a q factor?**

The q factor, also known as quality factor, is a measure of the ratio of reactance to resistance of a capacitor/electronic component. As it sounds, it’s a measure of the quality of the component.

**What is reactance?**

Reactance is a measure of a capacitors ability to conduct electricity.

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