Three Phase Calculator
Calculate current (Amps), real power (kW), and apparent power (kVA) for three-phase systems. Includes power triangle visualization, formulas, and key concepts.
August 17, 2025
PCB Tools
The ultimate all-in-one PCB tools and calculator hub. Access professional-grade utilities for circuit design, RF engineering, impedance matching, and manufacturing analysis. From basic Ohm’s Law to complex microwave propagation, get precise engineering results to optimize your hardware projects.
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.
August 11, 2025
555 Timer Calculator
Easily calculate the output parameters for both Astable and Monostable 555 timer circuits. This online tool provides instant results for frequency, period, duty cycle, and pulse width based on your resistor and capacitor values. Perfect for rapid electronic circuit prototyping and design.
August 4, 2025
Notch Filter Calculator
Calculate component values for Passive Twin-T and RLC notch filters. Includes center frequency tuning, Q factor analysis, circuit diagrams, and Bode plots.
July 29, 2025
Bandpass Filter Calculator
Interactive RLC Bandpass Filter Designer. Calculate center frequency, bandwidth, and Q-factor with real-time Bode plots and circuit diagrams.
July 23, 2025
Inductive Reactance Calculator
Calculate inductive reactance (XL) instantly using our interactive XL = 2πfL tool. Features real-time results, theory explanations, and a dynamic visualization chart.
July 17, 2025
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.
July 10, 2025
Capacitance Charge Calculator
Easily calculate between charge (Q), capacitance (C), and voltage (V) with our interactive tool. Learn core capacitor concepts and visualize the Q=CV relationship.
July 4, 2025
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.
June 28, 2025
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.
June 21, 2025