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Electric and Magnetic Field Energy Density Calculator — result sheet
Calculate electric, magnetic, and total field energy density from electric field and magnetic flux density.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Electric density=ε0E²/2; magnetic density=B²/(2μ0); total density is their sum.
The calculator reports the ideal vacuum-style electric and magnetic energy-density terms separately before adding them.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Electric field — minimum 0; maximum 1000000000000
- Magnetic flux density — minimum 0; maximum 1000000
Worked example
| Input | Value |
|---|---|
| Electric field | 1000 |
| Magnetic flux density | 0.01 |
Electric density ≈4.427×10^-6 J/m³; magnetic density ≈39.79 J/m³.
Assumptions and limits
- Electric field is in volts per metre and magnetic flux density in tesla.
- Vacuum constants ε0 and μ0 are used.
- Material permittivity, permeability, dispersion, boundaries, and field overlap are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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