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Calculate Amps, Watts, Amp-Hours, Watt-Hours

Sizing wires, battery banks, and fuses requires understanding amperage and total amp-hour requirements. This calculator will help you do just that.

  • Find out how many amps your devices use
  • Determine the amp-hour needs for your electronic devices

Electrical Calculator

Select the value you want to calculate, then enter the required inputs.

Formula Used:

Amps = Watts ÷ Volts