Voltage Divider Calculator

Compute DC tap voltage for an ideal two-resistor divider — remember loading changes the node when you attach a real circuit.

Free · No limits · Runs in your browser

How to use

  1. 1Enter Vin, R1, and R2.
  2. 2Read Vout.

Frequently asked questions

Loaded divider?
Add equivalent load resistance in parallel with R2 for a better estimate.

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