GlenCalc

Series and parallel resistor calculator

List the values separated by commas, in ohms.

Your answer

Total60 Ω59.9768 Ω

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How we worked it out

Updated as you change the numbers.

  1. Parallel: 1/R = 1/R₁ + 1/R₂ + …

Method and assumptions

Inductors combine like resistors; capacitors combine the opposite way (parallel capacitances add).

Questions

What is 100, 220 and 470 Ω in parallel?

About 60.0 Ω (59.98), less than the smallest.

Sources

Method and figures checked on . Every worked answer on this page is covered by an automated test. Found a mistake? Tell us.

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