BENCHBOOKElectronics Toolkit BACK TO BENCH
Passive Components Interactive calculator

Voltage Divider

Uses the standard divider equation and accounts for a load resistor in parallel with the lower leg when present.

Formula

Vout = Vin × R2 / (R1 + R2).

Voltage divider circuit showing the input source, top resistor, bottom resistor, and output node
Calculate divider output voltage with optional load resistance.

All values are unit-aware and validated before computation.