ARSB Technical Tools

Electrical & Electronics Calculations

Calculate electrical power, voltage and current for DC, single-phase AC and three-phase AC circuits.

Interactive calculator

Power, voltage and current

Choose the circuit type
V
A

Understanding the measurements

Voltage is electrical potential, current is the flow of electric charge, and power is the rate at which electrical energy is used or produced.

V

Volt

Electrical potential difference

A

Ampere

Rate of electrical current flow

W

Watt

Rate of electrical power

Safety notice: Calculations are for reference and educational use. Electrical installation, protection and conductor sizing should be verified by a qualified professional and comply with applicable regulations.

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