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Home › Math Tools › Voltage Divider Calculator

Voltage Divider Calculator

Compute the output voltage of a resistor voltage divider.

math Math
Output voltage (V)—

How to Use

  1. Enter input voltage.
  2. Enter R1 and R2.
  3. Get Vout = Vin × R2/(R1+R2).

Use Cases

Design voltage dividers for sensors, references and level shifting.

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