Voltage Divider Calculator

Free calculate output voltage in a voltage divider circuit. determine voltage across resistors using the voltage divider formula.

Input Parameters

Results

Enter parameters to calculate output voltage

Voltage Divider Formula

Output Voltage

Vout = Vin × (R2 / (R1 + R2))

Voltage across R2

Voltage Across R1

V1 = Vin × (R1 / (R1 + R2))

Voltage across R1

Current

I = Vin / (R1 + R2)

Current through both resistors

Applications

  • • Sensor interfaces
  • • Reference voltages
  • • Level shifting
  • • Potentiometers

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