Ohms Law Calculator
Instructions: Enter any two values and leave the third empty. Click Calculate to find the missing value.
Please enter a valid voltage
Please enter a valid current
Please enter a valid resistance
Ohms Law Formula
V = I × R
I = V ÷ R
R = V ÷ I
Where:
V = Voltage (Volts)
I = Current (Amperes)
R = Resistance (Ohms)
Results
Voltage (V)
–
Current (A)
–
Resistance (Ω)
–