
Capacitor Energy Calculator
Calculate stored energy in a capacitor using E = ½CV². Use our interactive tool to visualize the exponential relationship between voltage and electrical energy.
Energy storage & reactive calculation
Signal processing & frequency tools
Basic circuit laws & series-parallel
General electronic reference tools
DRC & fabrication requirements
Track width, spacing & via calculators
Regulation & magnetic component design
Radiation patterns & gain estimation
VSWR, Smith chart & matching
Attenuation & link budget analysis
Calculate the PCB trace width based on temperature rise, current, and copper thickness (IPC-2152).
Professional suite for capacitor and inductor analysis. Calculate energy storage, discharge decay, charge (Q), and inductive reactance. Specialized tools for parallel plate and cylindrical capacitance models.

Calculate stored energy in a capacitor using E = ½CV². Use our interactive tool to visualize the exponential relationship between voltage and electrical energy.

Use our online calculator to determine the capacitance of a parallel plate capacitor. Learn the formula, principles, and key variables like plate area and distance.

Calculate the capacitance of a cylindrical capacitor with our interactive tool. Explore the formula, derivation steps, and real-world uses like coaxial cables.

Calculate inductive reactance (XL) instantly using our interactive XL = 2πfL tool. Features real-time results, theory explanations, and a dynamic visualization chart.

Calculate air core coil inductance using Wheeler’s formula. Input coil diameter, length, and turns to get instant results for your RF and antenna design projects.

Easily calculate between charge (Q), capacitance (C), and voltage (V) with our interactive tool. Learn core capacitor concepts and visualize the Q=CV relationship.

Calculate and visualize RC circuit decay with our Capacitor Discharge Calculator. Get instant results for time constants (τ) and exponential voltage drop.

Use our All-in-One Capacitor Calculator to decode codes, calculate series/parallel values, RC time constants, and capacitive reactance with ease.
Well Done Technology was established in 2008, focus on reverse engineering, IC unlock, PCB Clone and design. Our technical team of more than 40 people includes senior engineers with rich experience.