Calculate the voltage across a voltage divider with our online tool.
Voltage Divider Circuit
Vin ──┬── R1 ──┬── Vout
│ │
│ R2
│ │
GND ──────┴── GND
V
Ω
Ω
Results
Output Voltage (Vout)
Voltage Ratio
Total Resistance
Current
Formula
Vout = Vin × (R2 / (R1 + R2))
Common Configurations
About This Tool
The voltage divider calculator helps you calculate the voltage across a voltage divider based on the input voltage and the resistance values of the resistors. It's useful for designing and analyzing electrical circuits.