Electrical & Electronics

Electrical & Electronics Compute electrical values — amps, volts, watts, kilowatts, battery life, voltage drop, and resistor values.

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Amps To Kilowatts Calculator

Amps To Kilowatts Calculator

Convert electrical current (amps) to power (kilowatts) for DC, AC single phase, and AC three phase circuits with power factor calculations.
Amps To kVA Calculator

Amps To kVA Calculator

Convert electrical current (amps) to apparent power (kilovolt-amperes) for single-phase and three-phase AC circuits with voltage type selection.
Amps To VA Calculator

Amps To VA Calculator

Convert electrical current (amps) to apparent power (volt-amperes) for single-phase and three-phase AC circuits with line-to-line voltage calculations.
Amps to Volts Calculator

Amps to Volts Calculator

Convert amps to volts using power (watts) or resistance (ohms) with our free online calculator.
Amps To Watts Calculator

Amps To Watts Calculator

Convert electrical current in amperes (A) to power in watts (W) for DC, AC single phase, and AC three phase circuits with power factor calculations.
Electricity Calculator

Electricity Calculator

Calculate electrical power, voltage, current, and resistance using Ohm's law and power formulas for DC and AC circuits.
Battery Life Calculator

Battery Life Calculator

Calculate battery life, runtime, and capacity for various devices. Input battery capacity, current draw, and efficiency to get accurate runtime estimates.
Voltage Drop Calculator

Voltage Drop Calculator

Calculate voltage drop in electrical wires based on wire size, material, length, current, and phase type. Free online voltage drop calculator for DC and AC circuits.
Resistor Calculator

Resistor Calculator

Calculate resistor values using color codes, find total resistance in parallel/series circuits, and compute conductor resistance online.

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