Enter any two of power, voltage and current.
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Power (W)
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Voltage (V)
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Current (A)
Frequently Asked Questions
How are watts, volts and amps related?
Power (watts) = voltage (volts) × current (amps). So amps = watts ÷ volts, and volts = watts ÷ amps. This applies to DC and to resistive AC loads.
Enter any two of power, voltage and current to find the third.