Poynting Vector Power Density Calculator & Formula

The Poynting vector represents the flow of electromagnetic power and is derived from Maxwell’s equations. It is an advanced but important topic in EM waves and antennas.

Poynting Vecror Power Density Calculator

Inputs

Outputs

EXAMPLE:

INPUTS:

  • Electric Field = 100 V/meter

OUTPUT:

  • Average Power Density = 26.5 W/m^2

Constant:

Intrinsic Impedance = 377 Ohm

Poynting Vecror Power Density Formula

Poynting Vector Power Density Formula

Summary: The Poynting vector calculator helps students analyze electromagnetic power transmission with confidence, making it a valuable tool for higher-level EM theory problems.