Free Energy Stored in Inductor Calculator
Calculate energy stored in an inductor using E = 0.5 * L * I².
mH
A
Stored Energy
0.200000 J
Stored Energy (mJ)200.000 mJ
Stored Energy vs Inductance
Energy in an Inductor
An inductor stores energy in its magnetic field when current flows through it.
Formula
E = (1/2) * L * I²
This energy is released when the current decreases. The magnetic field collapses, driving current through the circuit.
Example Calculation
A 100 mH inductor carrying 2 A.
- 01E = 0.5 * L * I²
- 02E = 0.5 * 100e-3 * 4
- 03E = 0.5 * 0.4
- 04E = 0.2 J = 200 mJ
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