Voltage Divider Calculator


Enter 3 values to get the 4th value:

Voltage divider rule

Calculate resistor values for precise voltage division with our Voltage Divider Calculator. Optimize your electrical circuit design by determining the appropriate resistor configuration for accurate voltage drops. Simplify your electronics projects with this user-friendly tool.

For R1 and R2 in series and Vout is the voltage of R2:

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