Parallel Plate Capacitor Calculator
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.
February 9, 2026
Electrical Circuits & Components
Professional online circuit calculators for electrical engineers. Easily calculate capacitance, inductance, filter resonance, and Ohm’s Law parameters. From capacitor energy to discharge timing, access precise tools to validate your component selections and circuit designs.
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.
February 9, 2026
Wire Resistance Calculator
Calculate wire resistance based on material, length, diameter, and temperature. Includes an AWG chart, resistivity data, and interactive physics visualizations.
February 9, 2026
Low Pass Filter Calculator
Calculate the cutoff frequency for RC and RL low-pass filters. Features an interactive calculator, circuit diagrams, Bode plots, and core filter theory.
February 9, 2026
High Pass Filter Calculator
Calculate the cutoff frequency for an RC high-pass filter with our interactive tool. Includes a Bode plot, circuit diagram, and core HPF formulas for RF design.
February 9, 2026
Capacitor Discharge Calculator
Calculate and visualize RC circuit decay with our Capacitor Discharge Calculator. Get instant results for time constants (τ) and exponential voltage drop.
February 9, 2026
Bandpass Filter Calculator
Interactive RLC Bandpass Filter Designer. Calculate center frequency, bandwidth, and Q-factor with real-time Bode plots and circuit diagrams.
February 9, 2026
Capacitance of Cylindrical Capacitor
Calculate the capacitance of a cylindrical capacitor with our interactive tool. Explore the formula, derivation steps, and real-world uses like coaxial cables.
February 9, 2026
Op-Amp Gain Calculator
Calculate gain for inverting, non-inverting, differential, and summing op-amps. Features circuit diagrams, formulas, and a gain-bandwidth product visualizer.
February 9, 2026
Inductor Calculator kits
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.
February 9, 2026