Enter the velocity of the charges and the charge density of the flow into the calculator to determine the current density.

## Current Density Formula

The following formula is used to calculate a current density.

j = p*v

- Where j is the current density (A/m^2)
- p is the charge density
- v is the velocity of the charges

## Current Density Definition

A current density is defined as the total current per unit of volume or area.

## Current Density Example

How to calculate current density?

**First, determine the charge density.**Measure the charge density of the electrical flow.

**Next, determine the velocity of the charge.**Measure the charges velocity.

**Finally, calculate the current density.**Using the formula, calculate the current density.

## FAQ

**What is current density?**

Current density is the amount of charge per unit of time that flows through a cross-section area.

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