Live tool/tool/ohms-law-calculator
Ohm's Law Calculator
Solve voltage, current, resistance, and power from any two core circuit values without doing the algebra by hand.
EngineeringElectronicsReference
Assumption
Power is shown as V × I. Leave one field blank if you want the tool to solve for it.
Voltage
12 V
Current
2 A
Resistance
6 Ω
Power
24 W