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Science & Engineering

Ohm's Law Calculator.

Electrical values, markings and results remain in this browser. Solve voltage, current, resistance and power from any two compatible values. Uses explicit SI units, local arithmetic and independent verification.

Use Ohm's Law Calculator

Private in this browser. Electrical inputs and results stay in this browser.

Tool options
Preparing the local tool…

How it works

  1. 01

    Enter component values in the named units.

  2. 02

    Run the transparent local calculation.

  3. 03

    Review topology, tolerance and safety limitations before use.

Frequently asked questions

Does this approve an electrical design as safe?

No. It performs ideal educational arithmetic from user-supplied values.

Does Ohm's Law Calculator upload my data?

Ohm's Law Calculator runs locally in your browser. Electrical inputs and results stay in this browser.

What output does Ohm's Law Calculator create?

Ohm's Law Calculator creates Json output after the result passes its local verification checks.

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