Electrical Calculators and Resources
Our electrical calculators and resources can help estimate the electrical usage and cost of lighting and household appliances, estimate wire sizes for electrical project work, estimate circuit components, and perform physics calculations.
Plus, use our electrical conversion calculators to convert between different electrical units of power, current, frequency, and more.
Electrical Conversion Calculators
- Amp-Hours (Ah) to Kilowatt-Hours (kWh) Conversion Calculator
- Amp-Hours (Ah) to Watt-Hours (Wh) Conversion Calculator
- Amps to Horsepower Calculator
- Amps to Kilovolt-Amps (kVA) Conversion Calculator
- Amps to Kilowatts (kW) Conversion Calculator
- Amps to Volt-Amps (VA) Conversion Calculator
- Amps to Volts Conversion Calculator
- Amps to Watts Conversion Calculator
- Capacitance to Charge Conversion Calculator
- Horsepower to Amps Calculator
- Horsepower to Kilovolt-Amps (kVA) Conversion Calculator
- Joules to Volts Conversion Calculator
- Joules to Watts Conversion Calculator
- Kilovolt-Amps (kVA) to Amps Conversion Calculator
- Kilovolt-Amps (kVA) to Horsepower Conversion Calculator
- Kilovolt-Amps (kVA) to Kilowatts (kW) Conversion Calculator
- Kilovolt-Amps (kVA) to Volt-Amps (VA) Conversion Calculator
- Kilovolt-Amps (kVA) to Watts Conversion Calculator
- Kilowatt-Hours (kWh) to Amp-Hours (Ah) Conversion Calculator
- Kilowatt-Hours (kWh) to Kilowatts (kW) Conversion Calculator
- Kilowatt-Hours (kWh) to Watts Conversion Calculator
- Kilowatts (kW) to Amps Conversion Calculator
- Kilowatts (kW) to Kilovolt-Amps (kVA) Conversion Calculator
- Kilowatts (kW) to Kilowatt-Hours (kWh) Conversion Calculator
- Kilowatts (kW) to Volt-Amps (VA) Conversion Calculator
- Milliamp-Hours (mAh) to Watt-Hours (Wh) Conversion Calculator
- Volt-amps (VA) to Amps Conversion Calculator
- Volt-Amps (VA) to Kilovolt-Amps (kVA) Conversion Calculator
- Volt-amps (VA) to Kilowatts (kW) Conversion Calculator
- Volts to Amps Conversion Calculator
- Volts to Joules Conversion Calculator
- Volts to Watts Conversion Calculator
- Watt-Hours (Wh) to Amp-Hours (Ah) Conversion Calculator
- Watt-Hours (Wh) to Milliamp-Hours (mAh) Conversion Calculator
- Watts to Amps Conversion Calculator
- Watts to Joules Conversion Calculator
- Watts to Kilovolt-Amps (kVA) Conversion Calculator
- Watts to Kilowatt-Hours (kWh) Conversion Calculator
- Watts to Volts Conversion Calculator
Electrical Calculators
- 2025 Electricity Cost Calculator
- 2025 Lighting Energy Cost Calculator
- Capacitance Calculator
- Coulomb’s Law Charge Calculator
- Current Calculator
- LED Resistor Calculator
- Ohm’s Law Calculator
- Parallel Plate Capacitance Calculator
- Parallel Resistor Calculator
- Peak Voltage Calculator
- Peak-to-Peak Voltage Calculator
- Power Factor Calculator
- Resistance Calculator
- Resistor Capacitor Circuit Calculator
- RLC Impedance Calculator
- RMS Voltage Calculator
- Series and Parallel Capacitor Calculator
- Series Resistor Calculator
- Voltage Calculator
- Voltage Divider Calculator
- Voltage Drop Calculator
- Wattage Calculator
- Wire Ampacity Calculator
- Wire Size Calculator
Additional Resources
More Electrical Conversion Calculators
- Capacitance Conversion Calculators
- Charge Conversion Calculators
- Conductance Conversion Calculators
- Current Conversion Calculators
- Energy Conversion Calculators
- Force Conversion Calculators
- Frequency Conversion Calculators
- Inductance Conversion Calculators
- Power Conversion Calculators
- Resistance Conversion Calculators
- Voltage Conversion Calculators