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ResistorCalc

Find equivalent resistor combinations using E12–E96 values.

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About ResistorCalc

Free resistor replacement calculator—enter a target resistance and get series, parallel, or mixed E12–E96 combinations ranked by accuracy. Free, no signup—handy for prototyping, repair, and teaching.

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Key Features

✓Series/parallel/mixed combinations; E12–E96 series; ranked by accuracy; no signup

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