Electronics Tools & Calculator is an all-in-one electronics calculator, circuit design toolkit, and component reference for engineers, students, technicians, makers, and hobbyists.
Calculate Ohm’s law, resistor values, voltage dividers, capacitor circuits, reactance, resonance, 555 timers, op-amp circuits, transistor circuits, filters, PCB trace width, SMD resistor codes, and more.
Electronics Calculators & Circuit Tools
• Ohm’s Law calculator
• Voltage, current, resistance and power calculator
• Voltage divider calculator
• Resistor calculator for series and parallel circuits
• Capacitor calculator for series and parallel circuits
• Capacitor charge calculator
• Capacitive reactance calculator
• Inductive reactance calculator
• Series RLC resonance calculator
• LED resistor calculator
• Resistor ratio calculator
• Y–Δ / Δ–Y converter
• Pi, T and bridged-T attenuator calculators
• Adjustable voltage regulator calculator
Resistor, SMD & Component Tools
• Resistor color code calculator
• SMD resistor code lookup
• Capacitor reference
• Diode reference
• Transistor reference
• Inductor and choke reference
• IC and electronic component reference
555 Timer & Op-Amp Calculators
• 555 astable calculator
• 555 monostable calculator
• Inverting op-amp calculator
• Non-inverting op-amp calculator
• Differential amplifier calculator
• Transistor amplifier calculator
• Q-point visualization
Filter Design Calculators
Design and analyze common electronic filters including:
• Butterworth filters
• Chebyshev filters
• Bessel filters
• Sallen-Key active filters
• Low-pass filters
• High-pass filters
• Band-pass filters
• Band-stop filters
PCB & Circuit Design Tools
• PCB trace width calculator
• Attenuator design tools
• Voltage regulator calculations
• Resistance and capacitance networks
• Reactance and resonance calculations
• Circuit analysis tools
Electronic Component Reference
Quickly reference common electronic components and IC building blocks, including resistors, capacitors, inductors, choke coils, signal diodes, rectifier diodes, Zener diodes, BJTs, MOSFETs, op-amps, 555 timer ICs, encoders, decoders, multiplexers, demultiplexers, shift registers, counters, ATmega328, Arduino Uno, and more.
Made for Electronics Work & Study
Electronics Tools & Calculator is useful for:
• Electronics engineering students
• Electrical and electronics engineers
• Technicians
• Electronics hobbyists
• Makers and DIY builders
• Arduino and embedded projects
• Circuit designers
Why Use Electronics Tools & Calculator?
✓ Electronics calculators in one app
✓ Circuit design and analysis tools
✓ Resistor color code and SMD tools
✓ 555 timer and op-amp calculators
✓ Filter design calculators
✓ PCB trace width calculator
✓ Electronic component and IC references
✓ Fast, practical and easy to use
Whether you are learning electronics, designing circuits, troubleshooting a project, checking component values, or performing engineering calculations, Electronics Tools & Calculator gives you practical circuit calculators, resistor tools, component references, and electronics design utilities in one app.
