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
V
A
W
PF
Power
0
W
Converted value
0 kW
Formula used
P = V × I
Circuit
Direct current
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.
Volt
Electrical potential difference
Ampere
Rate of electrical current flow
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.
