Ohm's Law Calculator
Solve voltage, current, resistance and power.
Voltage V
12 V
Current I
2 A
Resistance R
6 ฮฉ
Power P
24 W
Formulas used
V = I ร R (Ohm's law) P = V ร I (Joule's law) derived: I = V/R ยท R = V/I ยท P = IยฒR = Vยฒ/R
Solve voltage, current, resistance and power.
V = I ร R (Ohm's law) P = V ร I (Joule's law) derived: I = V/R ยท R = V/I ยท P = IยฒR = Vยฒ/R