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- Ah to Wh ConverterConvert amp-hours to watt-hours using battery voltage.
- Wh to Ah ConverterConvert watt-hours to amp-hours using system voltage.
- kVA to kW ConverterConvert apparent power (kVA) to real power (kW) using power factor.
- Reactive Power & Power Fa…Convert kVA to real kW and reactive kVAR for motor and driver loads—plan inverter and conductor sizing.
- Battery DoD to Energy YieldConvert nominal battery capacity and depth of discharge to usable kWh for backup and critical-load planning.
- kW to HP ConverterConvert kilowatts to mechanical horsepower instantly.
- DC Cable SizeRecommend DC wire gauge from current, one-way length, and system voltage.
- DC Cable Size & Voltage DropSize copper DC homeruns from panels to charge controller—minimum mm² / AWG for amp load, length in meters, and max voltage drop.
- Ohm's LawFind voltage, current, or resistance when you know any two values (V = I × R).
- Residential AC Voltage DropCalculate AC voltage drop in home wiring from supply voltage, amps, cable length (m), and AWG or mm² copper size.
- Watts to AmpsConvert electrical power (watts) to current (amps) at a given voltage.
- Amps to WattsConvert current (amps) and voltage into power (watts).