Ohm's Law Calculator

Calculate voltage (V), current (A), resistance (Ω), and power (W) using Ohm's Law. Enter any two values to find the others.

Ohm's Law Calculator

Calculate voltage, current, resistance, and power

⚡ Voltage (V)

12

🔌 Current (A)

2

🔧 Resistance (Ω)

6

💡 Power (W)

24

Formulas

V = I × R
I = V ÷ R
R = V ÷ I
P = V × I