Voltage Divider Calculator

Formula and Units

A voltage divider uses two resistors to create a lower output voltage.

Formula: Vout = Vin x R2 / (R1 + R2).

Understanding Voltage Dividers

1. What This Calculator Measures

A voltage divider uses two resistors to create a lower output voltage from an input voltage.

2. How the Calculation Works

The calculator converts both resistor values to ohms and applies the ratio of the bottom resistor to the total resistance.

3. Formula or Rule Used

Vout = Vin x R2 / (R1 + R2).

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