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Series-Parallel Resistor Network Calculator

Build any mixed resistor network — toggle each connection as Series or Parallel, and get instant equivalent resistance, current, voltage drops and power dissipation.

Equivalent Resistance V-Drop & Power Step-by-Step Working Live Circuit Diagram

Network Builder — Resistor

Supply Voltage (optional — enables current & power)
Vsupply
V
Resistors

Circuit Diagram

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Add components to generate a live diagram

Formula Reference