Avorqin Developer Tools
Electrical & Electronics Tools
Use practical browser-based electrical calculators for power conversions, battery estimates, wire voltage drop, resistance and capacitance networks, transformer relationships, energy, and lighting calculations.
136 tools in this collection. No account required.
Watts to Amps Calculator
Convert watts to amps using circuit voltage.
Open tool →Amps to Watts Calculator
Convert amps to watts using circuit voltage.
Open tool →Volts to Watts Calculator
Convert volts to watts using current in amps.
Open tool →Watts to Volts Calculator
Convert watts to volts using current in amps.
Open tool →Amps to Volts Calculator
Convert amps to volts using electrical power in watts.
Open tool →Volts to Amps Calculator
Convert volts to amps using electrical power in watts.
Open tool →kW to Amps Calculator
Convert kilowatts to current for single-phase or three-phase AC circuits.
Open tool →Amps to kW Calculator
Convert current to kilowatts for single-phase or three-phase AC circuits.
Open tool →kW to kWh Calculator
Convert kilowatts and operating time into kilowatt-hours of energy.
Open tool →kWh to kW Calculator
Convert kilowatt-hours and elapsed time into average kilowatts.
Open tool →Watts to kWh Calculator
Convert watts and operating hours into kilowatt-hours.
Open tool →kWh to Watts Calculator
Convert kilowatt-hours over a time period into average watts.
Open tool →mAh to Wh Calculator
Convert milliamp-hours to watt-hours using battery voltage.
Open tool →Wh to mAh Calculator
Convert watt-hours to milliamp-hours using battery voltage.
Open tool →Battery Life Calculator
Estimate battery runtime from battery capacity and average current draw.
Open tool →Battery Capacity Calculator
Convert battery amp-hours and voltage into watt-hours and milliamp-hours.
Open tool →Power Factor Calculator
Calculate power factor from real power and apparent power.
Open tool →Voltage Drop Calculator
Estimate copper-wire voltage drop from wire gauge, current, one-way length, and system voltage.
Open tool →Wire Gauge Calculator
Estimate a copper AWG size that stays within a selected voltage-drop limit.
Open tool →Series Resistor Calculator
Calculate equivalent resistance for resistors connected in series.
Open tool →Parallel Resistor Calculator
Calculate equivalent resistance for resistors connected in parallel.
Open tool →Capacitor Series Calculator
Calculate equivalent capacitance for capacitors connected in series.
Open tool →Capacitor Parallel Calculator
Calculate equivalent capacitance for capacitors connected in parallel.
Open tool →RC Time Constant Calculator
Calculate an RC circuit time constant from resistance and capacitance.
Open tool →Transformer Calculator
Estimate ideal transformer turns ratio and secondary current.
Open tool →Joules to Watts Calculator
Convert energy in joules over time into average watts.
Open tool →Watts to Joules Calculator
Convert watts over time into energy in joules.
Open tool →Lumens to Watts Calculator
Estimate watts from lumens using luminous efficacy.
Open tool →Watts to Lumens Calculator
Estimate lumens from watts using luminous efficacy.
Open tool →Lux to Lumens Calculator
Convert illuminance in lux and area in square meters into lumens.
Open tool →VA to Watts Calculator
Convert volt-amperes (VA) to real power in watts using power factor.
Open tool →Watts to VA Calculator
Convert real power in watts to apparent power in volt-amperes using power factor.
Open tool →kVA to Amps Calculator
Convert apparent power in kVA to current for single-phase or three-phase AC systems.
Open tool →Amps to kVA Calculator
Convert AC current to apparent power in kVA for single-phase or three-phase systems.
Open tool →kVA to Watts Calculator
Convert apparent power in kVA to real power in watts using power factor.
Open tool →Watts to kVA Calculator
Convert watts to kVA using power factor.
Open tool →kVA to kW Calculator
Convert apparent power in kVA to real power in kW using power factor.
Open tool →kW to kVA Calculator
Convert real power in kW to apparent power in kVA using power factor.
Open tool →Volts to kW Calculator
Calculate AC power in kilowatts from voltage, current, power factor, and phase.
Open tool →kW to Volts Calculator
Calculate required AC voltage from kilowatts, current, power factor, and phase.
Open tool →Ohms to Amps Calculator
Calculate current from voltage and resistance using Ohm's law.
Open tool →Amps to Ohms Calculator
Calculate resistance from voltage and current using Ohm's law.
Open tool →Volts to Ohms Calculator
Calculate resistance from voltage and current.
Open tool →Ohms to Volts Calculator
Calculate voltage from current and resistance.
Open tool →Watts to Ohms Calculator
Calculate resistance from power and voltage.
Open tool →Ohms to Watts Calculator
Calculate power from voltage and resistance.
Open tool →Ah to Wh Calculator
Convert amp-hours to watt-hours using battery voltage.
Open tool →Wh to Ah Calculator
Convert watt-hours to amp-hours using battery voltage.
Open tool →Amp Hour Calculator
Calculate battery capacity in amp-hours from current and runtime.
Open tool →kWh Cost Calculator
Calculate electricity cost from energy use and price per kWh.
Open tool →Electricity Cost Calculator
Estimate electricity cost from wattage, usage time, and electricity rate.
Open tool →Appliance Energy Cost Calculator
Estimate appliance energy use and operating cost over a chosen period.
Open tool →Power Consumption Calculator
Calculate energy consumption in Wh and kWh from power and runtime.
Open tool →Generator Size Calculator
Estimate generator capacity from running load, starting surge, and reserve margin.
Open tool →Generator Wattage Calculator
Estimate peak generator wattage from appliance running and starting watt values.
Open tool →Generator Fuel Consumption Calculator
Estimate generator fuel use from electrical output, efficiency, and fuel energy content.
Open tool →Extension Cord Gauge Calculator
Estimate a copper extension-cord gauge based on current, length, voltage, and voltage-drop target.
Open tool →Cable Size Calculator
Estimate conductor cross-sectional area from current, length, voltage, material, and voltage-drop target.
Open tool →DC Wire Size Calculator
Estimate DC conductor size from current, run length, system voltage, and allowed voltage drop.
Open tool →AC Wire Size Calculator
Estimate single-phase AC conductor size from current, run length, voltage, and allowed voltage drop.
Open tool →12V Wire Size Calculator
Estimate copper wire size for a 12-volt DC circuit using current, distance, and voltage-drop target.
Open tool →24V Wire Size Calculator
Estimate copper wire size for a 24-volt DC circuit using current, distance, and voltage-drop target.
Open tool →48V Wire Size Calculator
Estimate copper wire size for a 48-volt DC circuit using current, distance, and voltage-drop target.
Open tool →Wire Resistance Calculator
Estimate conductor resistance from material, length, and cross-sectional area.
Open tool →Breaker Size Calculator
Estimate a planning breaker size from load current and sizing multiplier.
Open tool →Fuse Size Calculator
Estimate a planning fuse rating from load current and reserve margin.
Open tool →Transformer Sizing Calculator
Estimate transformer VA and kVA capacity from voltage, current, and reserve margin.
Open tool →Current Transformer Calculator
Calculate current-transformer ratio and expected secondary current.
Open tool →Transformer Turns Ratio Calculator
Calculate transformer voltage/turns ratio and secondary turns.
Open tool →Motor Full Load Amps Calculator
Estimate motor full-load current from horsepower, voltage, efficiency, power factor, and phase.
Open tool →Motor Horsepower to Amps Calculator
Convert motor horsepower to estimated current using voltage, efficiency, power factor, and phase.
Open tool →Horsepower to Watts Calculator
Convert mechanical horsepower to watts.
Open tool →Watts to Horsepower Calculator
Convert watts to mechanical horsepower.
Open tool →AC Power Calculator
Calculate single-phase or three-phase AC real power from voltage, current, and power factor.
Open tool →DC Power Calculator
Calculate DC power from voltage and current.
Open tool →Three Phase Power Calculator
Calculate three-phase real power from line voltage, current, and power factor.
Open tool →Single Phase Power Calculator
Calculate single-phase real power from voltage, current, and power factor.
Open tool →Reactive Power Calculator
Calculate reactive power in kVAR from real power and power factor.
Open tool →Apparent Power Calculator
Calculate apparent power in kVA from real power and power factor.
Open tool →AC Amps to Watts Calculator
Convert AC current in amps to real power in watts using voltage, power factor, and phase.
Open tool →DC Amps to Watts Calculator
Convert DC current in amps to watts using system voltage.
Open tool →Single Phase Amps to Watts Calculator
Calculate single-phase AC watts from amps, volts, and power factor.
Open tool →Three Phase Amps to Watts Calculator
Calculate three-phase AC watts from amps, line voltage, and power factor.
Open tool →12V Amps to Watts Calculator
Convert amps to watts in a 12-volt DC system.
Open tool →24V Amps to Watts Calculator
Convert amps to watts in a 24-volt DC system.
Open tool →48V Amps to Watts Calculator
Convert amps to watts in a 48-volt DC system.
Open tool →120V Amps to Watts Calculator
Convert amps to watts at 120 volts AC using power factor.
Open tool →230V Amps to Watts Calculator
Convert amps to watts at 230 volts AC using power factor.
Open tool →240V Amps to Watts Calculator
Convert amps to watts at 240 volts AC using power factor.
Open tool →12V Watts to Amps Calculator
Convert watts to amps in a 12-volt DC system.
Open tool →24V Watts to Amps Calculator
Convert watts to amps in a 24-volt DC system.
Open tool →48V Watts to Amps Calculator
Convert watts to amps in a 48-volt DC system.
Open tool →120V Watts to Amps Calculator
Convert watts to amps at 120 volts AC using power factor.
Open tool →230V Watts to Amps Calculator
Convert watts to amps at 230 volts AC using power factor.
Open tool →240V Watts to Amps Calculator
Convert watts to amps at 240 volts AC using power factor.
Open tool →Watts to kWh per Day Calculator
Convert appliance wattage and daily runtime into kilowatt-hours used per day.
Open tool →Monthly Electricity Usage Calculator
Estimate monthly electricity use in kWh from wattage, daily runtime, and billing days.
Open tool →Annual Electricity Cost Calculator
Estimate annual energy use and electricity cost from power, runtime, and utility rate.
Open tool →Energy Cost per Hour Calculator
Calculate how much an electrical load costs to run for one hour.
Open tool →Solar Panel Output Calculator
Estimate daily solar energy output from panel wattage, panel count, sun hours, and system efficiency.
Open tool →Solar Panel Size Calculator
Estimate the solar array wattage and panel count needed for a target daily energy use.
Open tool →Solar Battery Size Calculator
Estimate battery-bank energy and amp-hour capacity for solar storage and autonomy.
Open tool →Solar Battery Runtime Calculator
Estimate how long a solar battery bank can power a steady electrical load.
Open tool →Solar Charge Time Calculator
Estimate effective sun hours needed to recharge a battery from a solar array.
Open tool →Inverter Size Calculator
Estimate an inverter wattage rating from continuous load, surge load, and headroom.
Open tool →Inverter Battery Runtime Calculator
Estimate battery runtime through an inverter using battery energy, usable capacity, load, and efficiency.
Open tool →Battery Charging Time Calculator
Estimate battery charging time from capacity, state of charge, charger current, and efficiency.
Open tool →Battery C-Rate Calculator
Calculate battery C-rate from current and amp-hour capacity.
Open tool →Battery Energy Density Calculator
Calculate gravimetric and volumetric battery energy density from watt-hours, mass, and volume.
Open tool →Capacitor Energy Calculator
Calculate energy stored in a capacitor from capacitance and voltage.
Open tool →Capacitor Charge Calculator
Calculate electric charge stored in a capacitor from capacitance and voltage.
Open tool →Capacitive Reactance Calculator
Calculate capacitor reactance in ohms from capacitance and AC frequency.
Open tool →Inductive Reactance Calculator
Calculate inductor reactance in ohms from inductance and AC frequency.
Open tool →Resonant Frequency Calculator
Calculate the resonant frequency of an ideal LC circuit from inductance and capacitance.
Open tool →RL Time Constant Calculator
Calculate the time constant of a resistor-inductor circuit from inductance and resistance.
Open tool →Series RLC Impedance Calculator
Calculate impedance magnitude, reactance, and phase angle for a series RLC circuit.
Open tool →Parallel RLC Impedance Calculator
Calculate ideal parallel RLC impedance magnitude and phase angle at a chosen frequency.
Open tool →Impedance Triangle Calculator
Calculate impedance magnitude and phase angle from resistance and reactance.
Open tool →Phase Angle Calculator
Convert power factor to electrical phase angle in degrees.
Open tool →Frequency to Period Calculator
Convert frequency in hertz to period in seconds, milliseconds, and microseconds.
Open tool →Period to Frequency Calculator
Convert a time period to frequency in hertz.
Open tool →Wavelength Calculator
Calculate wavelength from frequency and propagation velocity factor.
Open tool →dBm to Watts Calculator
Convert power level in dBm to watts and milliwatts.
Open tool →Watts to dBm Calculator
Convert watts to a power level in dBm.
Open tool →dBW to Watts Calculator
Convert power level in dBW to watts.
Open tool →Watts to dBW Calculator
Convert watts to a power level in dBW.
Open tool →RMS Voltage Calculator
Calculate RMS voltage from sinusoidal peak voltage.
Open tool →Peak Voltage Calculator
Calculate sinusoidal peak and peak-to-peak voltage from RMS voltage.
Open tool →PCB Trace Width Calculator
Estimate external PCB trace width from current, copper thickness, and allowed temperature rise.
Open tool →Resistor Power Rating Calculator
Calculate resistor current and power from voltage and resistance and suggest design headroom.
Open tool →Capacitor Code Calculator
Decode common three-digit capacitor codes into pF, nF, and µF.
Open tool →Battery Pack Series/Parallel Calculator
Calculate battery-pack voltage, capacity, energy, and cell count from series/parallel configuration.
Open tool →UPS Runtime Calculator
Estimate UPS battery runtime from battery energy, load, efficiency, and usable capacity.
Open tool →Motor Torque Calculator
Calculate motor torque from shaft power and rotational speed.
Open tool →Current Density Calculator
Calculate electrical current density from current and conductor cross-sectional area.
Open tool →Capacitor Discharge Time Calculator
Calculate RC capacitor discharge time between two voltages.
Open tool →Why use Avorqin?
Avorqin focuses on quick, focused utilities for common developer tasks. Tools in this collection are designed to be easy to open, use, and understand without unnecessary setup. Where a tool states that processing is local, its transformation runs in your browser.