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!