Physics — Electricity Calculators

Ohm's Law is evaluated from Voltage, Current and Resistance. The calculation reports Voltage, Current and Resistance.

Electrical Power is evaluated from Voltage, Current and Resistance. The calculation reports Power, Power and Power.

Resistors in Series/Parallel is evaluated from Resistor R1, Resistor R2 and Resistor R3. The calculation reports Total Resistance - Series and Total Resistance - Parallel.

Voltage Divider is evaluated from Input Voltage, Resistor R1 and Resistor R2. The calculation reports Output Voltage, Voltage Ratio and R2 for target Vout.

Current Divider is evaluated from Total Current, Branch Resistance R1 and Branch Resistance R2. The calculation reports Equivalent Parallel Resistance, Voltage Across Parallel Branches and Current Through R1.

Power Factor is evaluated from Real Power, Apparent Power and Power Factor. The calculation reports Power Factor, Phase Angle and Real Power.

Three-Phase Power is evaluated from Line Voltage, Line Current and Power Factor. The calculation reports Real Power, Apparent Power and Reactive Power.

Battery Life is evaluated from Battery Capacity, Load Current and Efficiency Factor. The calculation reports Estimated Runtime, Estimated Runtime and Battery Energy.