Voltage Divider Calculator
Compute output voltage for two-resistor divider circuits.
Use this free online Voltage Divider Calculator to compute output voltage from resistor pair values and input voltage. It is useful for classwork, lab checks, design screening, and engineering sanity checks where units and assumptions must stay visible. The form focuses on Vin (V), R1 (Ohm), R2 (Ohm) and returns Voltage Divider Inputs, Result, so you can move from input to answer without setting up a spreadsheet or custom script. Run one realistic example, adjust the inputs, and compare how the result changes before you copy or share it. Check units and formula assumptions carefully; for safety-critical or code-governed work, validate the result with authoritative references.