Amps to Volt-Amps (VA) Conversion Calculator: What It Measures
Calculate apparent electrical power in volt-amps from current and voltage. This calculator uses the displayed units and keeps the calculation transparent so you can check the result against a nameplate, battery specification, or electrical design estimate. It is useful for sizing equipment, comparing energy ratings, and translating between common electrical quantities.
How to Calculate Amps to Volt-Amps (VA) Conversion Calculator
Step One: Multiply voltage by current
Start with the first relationship in the calculation.
volt-amps = phase factor × voltage × amps
Using the calculator’s default values:
1 × 120 × 10 = 1,200 VA
Step Two: Report apparent power
Apply the unit conversion or electrical factor needed for the final result.
VA = phase factor × voltage × amps
Using the same example:
1,200 VA
Important Assumptions
Use the correct nominal voltage, phase arrangement, power factor, resistance, time period, and efficiency for the equipment being evaluated. The result is an estimate for planning and education, not a substitute for manufacturer data, local electrical code, or a qualified electrician.