EngiCalc is a free online collection of electronics engineering calculators, formulas and practical guides for engineers, PCB designers, students, embedded developers and makers.
The goal of EngiCalc is to make everyday electronics calculations faster, clearer and easier to use directly in a browser. The site focuses on practical tools for analog electronics, power electronics, PCB design, RF and embedded systems.
EngiCalc tools are intended for quick estimates and educational use. For production hardware, always verify results with datasheets, manufacturer recommendations, simulations and real measurements.