Volt Watt Ampere Conversion

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Volt Watt Ampere Conversion Calculator

Calculate electrical power relationships between voltage, wattage, and amperage. Enter any two values to calculate the third.

How to use: Enter any two values (voltage, wattage, or amperage) and click Calculate to find the third value. Check the 3-Phase box for three-phase power calculations.
Calculated ResultsSingle-Phase
Voltage Calculated:
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Wattage Calculated:
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Amperage Calculated:
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Formulas used (Single-Phase):
Voltage (V) = Wattage (W) / Amperage (A)
Wattage (W) = Voltage (V) × Amperage (A)
Amperage (A) = Wattage (W) / Voltage (V)