Ohm's Law Calculator
Calculate Voltage, Current, Resistance, and Power (V = IR)
Ohm's Law Formulas
V = I × R
I = V / R
R = V / I
P = V × I
P = I² × R
P = V² / R
Calculate Voltage, Current, Resistance, and Power (V = IR)
V = I × R
I = V / R
R = V / I
P = V × I
P = I² × R
P = V² / R