Enter the total flux and total area into the calculator to determine the flux density.

## Flux Density Formula

The following formula is used to calculate a flux density.

FD = Φ / A

- Where FD is the flux density
- Φ is the total flux
- A is the total area

## Flux Density Definition

A flux density is defined as the total flux per unit of area generated from a magnetic field.

## Flux Density Example

How to calculate flux density?

**First, determine the total flux.**Calculate the total flux generated from the magnetic field.

**Next, determine the total area.**Measure the total area the flux is acting on.

**Finally, calculate the flux density.**Divide the flux by the area to find the flux density.

## FAQ

**What is flux density?**

Flux density is the total flux per unit area that is being generated by a magnetic field.

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