Ohm's Law Calculator

Enter Calculation

Voltage (V):

Current (A):

Resistance (Ω):

Power (W):

Enter any two values to calculate the other two.

Calculate Clear

Results

Voltage (V)	110
Current (A)	0.5
Resistance (Ω)	220
Power (W)	55

V: 110

I: 0.5

R: 220

P: 55

Note: The Ohm's Law triangle helps visualize the relationships between Voltage (V), Current (I), and Resistance (R). Power (P) is shown in the center as it's derived from these values.