Ohm's Law Calculator

Calculate voltage, current, resistance, and power using Ohm's Law (V = IR) and the power formula (P = VI).

Solve For

Voltage
12.0000 V

Formulas

FormulaExpression
VoltageV = I × R
CurrentI = V / R
ResistanceR = V / I
Power (1)P = V × I
Power (2)P = V² / R
Power (3)P = I² × R

All Values

Voltage (V)
12.0000 V
Current (I)
2.0000 A
Resistance (R)
6.0000 Ω
Power (P)
24.0000 W
QuantityValue
Voltage (V)12.0000 V
Current (I)2.0000 A
Resistance (R)6.0000 Ω
Power (P)24.0000 W
Power (kW)0.024 kW
Energy (kWh/hr)0.024 kWh