Energy & Utilities
Simple tools that work in your browser and keep your input on your device.
3 tools available
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Energy & Utilities
Watts to Amps Calculator
Estimate current from electrical input power, voltage and a known AC power factor for DC, single-phase and balanced three-phase supplies.
Open tool — Watts to Amps CalculatorBattery Runtime Calculator
Estimate how long a battery or portable power station can run an average load using Wh, Ah or mAh and an adjustable usable-energy percentage.
Open tool — Battery Runtime CalculatorElectricity Cost Calculator
Estimate flat-rate energy cost from power and time or known kWh, using your own electricity price.
Open tool — Electricity Cost Calculator