ECAD Workbench
Voltage Divider Calculator
Calculate output voltage, divider current, and resistor power dissipation for a two-resistor divider.
Inputs
Enter the source voltage and both resistor values in ohms.
Use positive values only. Zero or negative values make the divider invalid.
Results
Live results update as you edit each field.
Output voltage6 V
Divider current0.6 mA
Power in R13.6 mW
Power in R23.6 mW
Total resistance20,000 ohms
Divider ratio50%
Vout = Vin × R2 / (R1 + R2)I = Vin / (R1 + R2)