Physics Calculators

Physics Calculators help you to get answers to physics questions. Choose from a variety of calculators to help you with your physics.

AC Power Calculator

AC Power Calculator calculates Impedance, Current, Voltage, and Power.

DC Power Calculator

DC Power Calculator calculates Resistance, Current, Voltage, and Power.

Energy to Power Calculator

Energy to Power Calculator determines the energy you need to convert into power.

Ohm's Law Calculator

Ohms Law Calculator calculates Resistance, Voltage, Current, and Power.

Power Factor Calculator

Power Factor Calculator calculates the Power Factor of Single and Three Phase Systems.

Voltage Divider Calculator

Voltage Divider Calculator calculates the output potential dropped across the resistor.

Voltage Drop Calculator

Voltage Drop Calculator calculates voltage drop for a selected conductor size and type.

Wire Gauge Calculator

Wire Gauge Calculator calculates the appropriate wire gauge (size) for a circuit.