Electronic Circuits Calculator

Electronic Circuits Calculator is your ultimate electronics toolkit — featuring over 130 calculators, circuit tools, and guides for beginners and professionals alike.

Perfect for electronics enthusiasts, students, hobbyists, and engineers alike, Electronic Circuits Calculator Pro is a powerful reference tool covering essential electronics concepts, components, and circuit design. Whether you're just getting started or need a quick calculation on the go, this app has you covered.

Available in 14 Languages: • English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language!

Key Features: • Interactive calculators for circuits • Step-by-step explanations and formulas • Ideal for learning, prototyping, or quick checks • Light and dark mode support

Covered Topics:

Basic calculators • Ohm's law • Power, voltage and current • Resistive voltage divider • Wheatstone Bridge • RC circuit time constant • Battery life • Additional resistor for voltmeter • Shunt resistor for ammeter.

Resistors • Resistor color codes • SMD resistor codes • EIA-96 encoding • Selection of standard resistor values • Series/Parallel connection of resistors • E-series

Capacitors • Ceramic disc capacitor codes • Film capacitor codes • Capacitor operating voltage codes • Color codes of film capacitors • SMD capacitor codes • Series connection of capacitors • Parallel connection of capacitors

Inductors • Inductor color codes • SMD inductor codes • Parallel/series connection of inductors

Diodes • Diodes • Rectifier diodes • Signal diodes • Schottky diodes • Tunnel diodes • Varicaps • Zener diodes

Transistors • Bipolar transistors • MOSFETs • JFET transistors • Unijunction transistors • Bipolar transistors with insulated gate. • Darlington transistor pair

Thyristors • Thyristors • Lockable thyristors • IGCT thyristors

Power supplies • AC parameters • Half-wave rectifier • Full-wave rectifier • Bridge rectifier • Quenching capacitor • Internal resistance of the power supply • Symmetrical voltage doubling rectifier circuit • Three-phase half-wave rectifier • Three-phase bridge rectifier • Voltage multiplier

Voltage and current regulators • Voltage regulator on LM317 • Bipolar voltage regulator for LM317 and LM337 • Current source on LM317 • Zener diode reference voltage source • Temperature compensated reference voltage source • TL431 regulator • TL431 regulator with additional transistor

Light Emitting Diodes • Resistor for one LED • Resistor for serial/parallel connection of LEDs • 7 segment LED display • Decoder for 7- segment displays CD4511

Photocells • Photodiodes • Photoresistors • Phototransistors • Optocouplers

Operational amplifiers • Gain of non-inverting op-amp • Gain of inverting op-amp • Inverting op  • amp with T-bridge in feedback. • Inverting summing op-amp • Differential op-amp • Voltage integrator • Voltage differentiator • Voltage comparator

High frequency circuits • Capacitor reactance • Inductor reactance • Convert gain to decibels • Convert dBm to watts • T • Attenuator • Pi attenuator • L • Attenuator • Bridge T • attenuator • Capacitive AC voltage divider • Inductive voltage divider • Frequency and wavelengths

Filters • RC low-pass filter • RC high-pass filter • RC bandpass filter • RL low-pass filter • RL high-pass filter • LC low-pass filter • LC high-pass filter

Multivibrators • Self- oscillating Multivibrator • Monostable multivibrator • Bistable multivibrator • Multivibrator with diodes

555 Timer • Astable mode • Monostable mode • Bistable mode • Schmitt trigger • Connecting LEDs • Light detector • Relay control

Logics • AND. OR, NOT, NAND, NOR, XOR, XNOR • Combination Circuits

The application is being actively developed and supplemented with new calculators. Keep for updates!