Voltage Divider Calculator

Calculate output voltage, resistor values, and power in a voltage divider circuit.

Vin12.0V+R11.0kΩVout6.00VR21.0kΩ6.0mAGND
Output Voltage (Vout)
6.000 V
50.0% of input
Current
6.000 mA
Power R1
36.000 mW
Power R2
36.000 mW
Total Power
72.000 mW

Formulas

Vout = Vin × (R2 / (R1 + R2))

I = Vin / (R1 + R2)