Amps to Volt-Amps (VA) Calculator

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Understanding Volt-Amperes (VA)

What are Volt-Amperes?

Volt-amperes (VA) measure apparent power in an electrical circuit. Unlike watts, which measure real power, VA represents the total power supplied to a load, including both real and reactive power. This measurement is crucial for sizing electrical equipment and understanding power requirements.

Calculation Formulas

Single-Phase: VA = Voltage × Current

Three-Phase: VA = √3 × Voltage × Current

Common Applications

  • • Sizing UPS systems
  • • Electrical equipment specifications
  • • Power distribution planning
  • • Industrial equipment sizing