Series / Parallel Resistor Calculator

Enter a list of resistor values and choose series or parallel wiring for an equivalent single resistance.

Free · No limits · Runs in your browser

How to use

  1. 1List resistor values separated by commas.
  2. 2Choose series or parallel.
  3. 3Read equivalent R.

Frequently asked questions

Mixed networks?
Combine results step by step; this tool is one topology at a time.

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