Electronics Circuit Calculator

A complete electronics calculator and circuit analysis toolkit for students, engineers, technicians, teachers, and electronics enthusiasts.

Solve electrical and electronic circuit calculations quickly, from resistors and capacitors to Thevenin's theorem, Norton's theorem, Kirchhoff's laws, nodal analysis, mesh analysis, operational amplifiers, filters, transistors, and digital electronics.

The app combines tools for analog electronics, digital circuits, RF, and circuit design, helping you understand circuit theory, reduce calculation errors, and speed up electronics projects.

⚡ Circuit Analysis
• Thevenin's theorem
• Norton's theorem
• Kirchhoff's laws – KCL and KVL
• Nodal analysis
• Mesh analysis
• Voltage divider
• Current divider
• Wheatstone bridge
• Star-Delta (Y-Δ) conversion
• Delta-Star (Δ-Y) conversion

🔌 Resistors, Capacitors & RLC Circuits
• Resistors in series and parallel
• Capacitors in series and parallel
• Series and parallel RLC circuits
• Capacitive reactance
• Inductive reactance
• Resonant frequency
• RC and RL circuits
• Time constant calculations

📈 Operational Amplifiers
• Inverting amplifier
• Non-inverting amplifier
• Differential amplifier
• Summing amplifier
• Op-amp integrator
• Op-amp differentiator
• Comparator
• Schmitt trigger

🎛️ Electronic Filters
• RC filters
• RL filters
• Low-pass filters
• High-pass filters
• Band-pass filters
• Band-stop filters
• Active filters
• Butterworth filters
• Chebyshev filters
• Bessel filters
• Sallen-Key filters

🔋 Transistors, Diodes & Regulators
• Common-emitter transistor load-line analysis with graph
• Zener voltage regulator
• Adjustable voltage regulator
• LED resistor calculator
• Electronic circuit design tools

⏱️ 555 Timer
• 555 astable calculator
• 555 monostable calculator
• Frequency
• Period
• Duty cycle

💻 Digital Electronics
• Karnaugh map
• Boolean logic simplification
• Binary to decimal converter
• Number-system conversions
• Digital logic tools

📡 RF & High-Frequency Tools
• Impedance calculations
• Skin depth
• Waveguide calculations
• Decibel calculator
• dBm to watts conversion
• Radio-frequency circuit tools

🛠️ Electronics Design Tools
• PCB trace width calculator
• Transformer design
• Attenuator design
• Pi attenuator
• T attenuator
• Bridged-T attenuator
• Circuit sizing and analysis tools

Designed for simple input, fast calculations, and accurate results. The organized interface makes it useful for both learning basic electronics and solving advanced electronic engineering calculations.

Ideal for:
• Electronics and electrical engineering students
• Electronics engineers
• Electrical engineers
• Electronics technicians
• Teachers and instructors
• Circuit designers
• Makers, hobbyists, and radio amateurs

If you need an electronics calculator, circuit calculator, circuit analysis tool, RLC calculator, op-amp calculator, filter calculator, or circuit theory toolkit, Electronics Circuit Calculator brings dozens of useful engineering tools together in one app.

Analyze circuits using Thevenin, Norton, Kirchhoff, nodal analysis, and mesh analysis. Design filters, calculate operational amplifier circuits, solve RLC networks, and work with both analog and digital electronics.

Get a comprehensive set of tools for calculating, analyzing, and designing electronic circuits.

Recent changes:
What's new:
Added Summing Amplifier, Integrator, Differentiator, Kirchhoff's Voltage and Current Laws, Norton and Thevenin Theorems, Nodal Analysis, Karnaugh Map, Decimal-to-Binary Converter, Star-Delta Converter, Pi/T Attenuators, ADC/DAC Calculator, Schmitt Trigger, and Wheatstone Bridge.