ENGINEERING / FREE ONLINE TOOL
Series & Parallel Resistors
Find the equivalent resistance of a resistor network.
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A little guidance.
Calculate the equivalent of a set of resistors that are all in series or all in parallel. Enter resistance values in ohms. A zero-ohm branch shorts an ideal parallel network; mixed topologies require separate calculations.
How it works
- Enter your values, or use the example to get started.
- Select “Calculate” to process your input in your browser.
- Review the result, then copy or download it when available.
Good to know.
Is my input sent to a server?
No. This tool runs in your browser. KILIZU does not upload or store the values or files you enter here.