Ohm’s Law Current Calculator
I = V / R • Power output • Unit conversion • Ajax loading
Inputs
Voltage can be negative (direction).
Resistance must be > 0 to compute current.
Current output is shown in this unit.
Quick summary
Enter voltage and resistance to compute current.
Results
Current (I)
—
A
Power (P)
—
W
Conductance (1/R)
—
S
Updating…
Action
Hard reset: cancels pending updates and clears everything on the first click.