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kVA to Amps Calculator

Enter the values to get the current.

How to use

  1. Enter your values in the fields above.
  2. Press Calculate to see your result instantly.
  3. Use the Share button to copy a link to your result.

About this calculator

Apparent power in kVA converts to current using I = (kVA × 1000) / V for a single-phase circuit, or I = (kVA × 1000) / (√3 × V) for a balanced three-phase circuit, where V is the line voltage. Because kVA includes both real and reactive power, this current figure is the total the conductor actually carries, not just the power-producing portion.

Electricians and electrical engineers use this conversion to size breakers, cables, and transformers from a generator or transformer's kVA nameplate rating, and to check that a panel's rated current can support the connected load.

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