Outils électriques

Extended Voltage Divider

Calculate voltage divider output.

Extended LED Resistor Calculator

Calculate LED resistor for multiple currents.

Wire Ampacity Calculator

Calculate maximum wire ampacity.

Resistor Network Calculator

Calculate equivalent resistance for series/parallel.

Transformer Ratio Calculator

Calculate transformer turns ratio.

Solar String Calculator

Calculate solar panel string size.

LED Strip Power Calculator

Calculate LED strip power supply needs.

Motor Current Calculator

Calculate electric motor current draw.

Resistor Voltage Divider Calculator

Calculate output voltage of resistor divider.

UPS Sizing Calculator

Calculate appropriate UPS size.

Power Factor Correction Calculator

Calculate capacitors for power factor correction.

Battery Series/Parallel Calculator

Calculate voltage and capacity for battery connections.

RC Circuit Calculator

Calculate RC circuit time constant.

RL Circuit Calculator

Calculate RL circuit time constant.

Transformer Turns Ratio

Calculate transformer turns ratio and voltage.

DC Motor Calculator

Calculate DC motor speed and torque.

Wire Resistance Calculator

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

Circuit Breaker Size Calculator

Calculate appropriate circuit breaker size.

Battery Capacity and Runtime Calculator

Calculate device runtime from battery.

Electrical Cable Sizing Calculator

Calculate appropriate cable size.

Antenna Calculator

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

Inrush Current Calculator

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

Extended Capacitor Energy

Calculate capacitor energy and charge.

Inductor Reactance Calculator

Calculate inductor reactance at a frequency.

Power Factor Correction

Calculate capacitor needed for power factor correction.

Series Impedance Calculator

Calculate series RLC circuit impedance.

Fuse Rating Calculator

Calculate appropriate fuse rating.

Generator Load Calculator

Calculate required generator size.

Capacitor Bank Calculator

Calculate capacitor bank for power factor correction.

Earth Resistance Calculator

Calculate earthing system resistance.

DC Wire Sizing Calculator

Calculate appropriate DC wire gauge.

RLC Circuit Calculator

Calculate RLC circuit properties.

Electrical Conduit Fill Calculator

Calculate wire fill in conduit.

Zener Diode Calculator

Calculate zener diode resistor and current.

Earthing Resistance Calculator

Calculate earthing system resistance.

Capacitor Energy Storage Calculator

Calculate energy stored in a capacitor.

Inductor Energy Storage Calculator

Calculate energy stored in an inductor.

Voltage Regulator Calculator

Calculate linear voltage regulator components.

Motor Starting Current Calculator

Calculate electric motor starting current.

Solar Charge Controller Calculator

Calculate charge controller size for solar system.

RLC Resonant Frequency Calculator

Calculate resonant frequency of RLC circuit.

Series Impedance Calculator (RCL)

Calculate total impedance in series circuit.

Resistors in Series Calculator

Free online calculator with instant, accurate results.

Resistors in Parallel Calculator

Free online calculator with instant, accurate results.

Capacitors in Series Calculator

Free online calculator with instant, accurate results.

Capacitors in Parallel Calculator

Free online calculator with instant, accurate results.

kVA to Amps Calculator

Free online calculator with instant, accurate results.

Amps to kVA Calculator

Free online calculator with instant, accurate results.