Categories
129 Calculators

Electrical Tools

Calculations for electrical circuits, power, and voltage.

🔌

Transformer Calculator

Calculate transformer output voltage, turns ratio, and current ratio.

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Capacitor Energy Calculator

Calculate stored energy, charge, and electric field in a capacitor.

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Wire Gauge Calculator

Calculate the appropriate wire gauge (AWG), resistance, and maximum current capacity.

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📐

Power Factor Calculator

Calculate power factor, reactive power, and phase angle from real and apparent power.

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Inductor Calculator

Calculate inductance value and stored energy in inductors (L, E=½LI²)

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Reactance Calculator

Calculate capacitive and inductive reactance for capacitors and inductors (Xc, Xl)

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〰️

Resonance Calculator

Calculate resonance frequency and Q-factor for LC resonant circuits (f = 1/2π√LC)

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🔊

Decibel Calculator

Calculate decibel levels, gain, and loss for power and voltage signals (dB, dBm, dBW)

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📟

PCB Trace Width Calculator

Calculate copper trace width for PCB boards based on current and temperature rise (IPC-2221)

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Extended Voltage Divider

Calculate voltage divider output.

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Extended LED Resistor Calculator

Calculate LED resistor for multiple currents.

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Wire Ampacity Calculator

Calculate maximum wire ampacity.

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☀️

Solar Panel Sizing Calculator

Calculate solar panels needed.

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🔧

Resistor Network Calculator

Calculate equivalent resistance for series/parallel.

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Transformer Ratio Calculator

Calculate transformer turns ratio.

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☀️

Solar String Calculator

Calculate solar panel string size.

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LED Strip Power Calculator

Calculate LED strip power supply needs.

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⚙️

Motor Current Calculator

Calculate electric motor current draw.

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Resistor Voltage Divider Calculator

Calculate output voltage of resistor divider.

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UPS Sizing Calculator

Calculate appropriate UPS size.

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📊

Power Factor Correction Calculator

Calculate capacitors for power factor correction.

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Battery Series/Parallel Calculator

Calculate voltage and capacity for battery connections.

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RC Circuit Calculator

Calculate RC circuit time constant.

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RL Circuit Calculator

Calculate RL circuit time constant.

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Transformer Turns Ratio

Calculate transformer turns ratio and voltage.

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⚙️

DC Motor Calculator

Calculate DC motor speed and torque.

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Capacitor Energy Calculator

Calculate energy stored in a capacitor.

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🔌

Wire Resistance Calculator

Calculate wire resistance based on material, length, and area.

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Three-Phase Power Calculator

Calculate power in a three-phase circuit.

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Transformer Ratio Calculator

Calculate transformer voltage ratio.

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Wire Ampacity Calculator

Calculate current carrying capacity of wire.

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🔀

Parallel Resistance Calculator

Calculate equivalent resistance in parallel.

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🔴

Circuit Breaker Size Calculator

Calculate appropriate circuit breaker size.

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Battery Capacity and Runtime Calculator

Calculate device runtime from battery.

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📏

Electrical Cable Sizing Calculator

Calculate appropriate cable size.

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📡

Antenna Calculator

Calculate antenna dimensions and length based on frequency (dipole, monopole, Yagi)

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Inrush Current Calculator

Calculate initial inrush current surge at startup for motors, transformers, and capacitors

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Extended Capacitor Energy

Calculate capacitor energy and charge.

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🌀

Inductor Reactance Calculator

Calculate inductor reactance at a frequency.

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🔌

Transformer Turns Ratio

Calculate transformer turns ratio.

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Power Factor Correction

Calculate capacitor needed for power factor correction.

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🔄

Series Impedance Calculator

Calculate series RLC circuit impedance.

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⚙️

Motor Efficiency Calculator

Calculate electric motor efficiency.

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Fuse Rating Calculator

Calculate appropriate fuse rating.

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Generator Load Calculator

Calculate required generator size.

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Capacitor Bank Calculator

Calculate capacitor bank for power factor correction.

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🌍

Earth Resistance Calculator

Calculate earthing system resistance.

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DC Wire Sizing Calculator

Calculate appropriate DC wire gauge.

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