Electronics & Circuits
Intermediate

Voltage Divider

Output voltage from two series resistors.

Formula

Vout=VinR2R1+R2V_{out} = V_{in}\frac{R_2}{R_1 + R_2}

Variables

V_{in}Input voltage
R_1,R_2Resistors

Did You Know?

The humble voltage divider, just two resistors, is one of the most-used circuits in all of electronics.

dividervoltage