Ohm's Law Calculator & Conversion Formula

Calculate the proper voltage, resistance, and current for your projects using the Newark Ohm's law calculator below.
Our conversion formula graphic also provides the formulas so you can make conversions manually.

Convert Current, Voltage, and Resistance

  

Ohm's Law Conversion Formula

V = I x R

V

I

R

I = V / R

V

I

R

R = V / I

V

I

R