Parallel Resistors Calculator

Find equivalent resistance for three parallel resistors. Fast, private, and built to make every number easier.

Input values

✦ Interactive

Resistor 1Resistor 2Resistor 3

How does this calculator work?

Find equivalent resistance for three parallel resistors. Edit the inputs and see the computed results. All calculations take place inside your browser, without submitting values to a server.

1/R_eq=1/R₁+1/R₂+1/R₃

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