Pevlika

Amp-Hour to Watt-Hour Converter

Convert Ah, mAh and Wh for batteries and power banks.

Runs in your browser — nothing is uploaded
Convert

—

For learning, hobby and prototyping use. Not professional electrical design advice — follow applicable codes and standards.

How to use Amp-Hour to Watt-Hour Converter

  1. Enter your values — the unit for each field is shown next to it.
  2. The result updates instantly as you type.
  3. Copy the results, or change inputs to compare scenarios.

Formula & assumptions

Wh = Ah × V

Battery Life CalculatorHow long a battery lasts at a given load. Electrical Power CalculatorConvert watts ↔ amps for DC, single-phase and three-phase AC. Electricity Cost CalculatorRunning cost of an appliance per day, month and year. Ohm’s Law CalculatorVoltage, current, resistance and power from any two values.