Voltage Divider Calculator

Enter any three of the following values and then click calculate button.


Vout = Rb/(Ra+Rb) × Vin
Vin = Input Voltage
Vout = Output Voltage

Enter your values:

Vin:
Volts
Ra:
Ohms
Rb:
Ohms
Vout:
Volts
Voltage Divider Calculator A voltage divider circuit is a very common circuit that takes a higher voltage and converts it to a lower one by using a pair of resistors. The formula for calculating the output voltage is based on Ohms Law.
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