About Resistor Divider Calculator (Formula)
A Resistor Divider Calculator is a tool used in electronics to calculate the output voltage of a resistor divider circuit. This calculation is crucial for designing voltage dividers that divide an input voltage into smaller parts using resistors. The formula used to calculate the output voltage of a resistor divider involves the ratio of the resistor values.
The formula for calculating the output voltage (Vout) of a resistor divider circuit is:
Vout = Vin × (R2 / (R1 + R2))
Where:
- Vout is the output voltage of the resistor divider circuit.
- Vin is the input voltage applied to the circuit.
- R1 is the resistance value of the first resistor in the divider.
- R2 is the resistance value of the second resistor in the divider.
Using the Resistor Divider Calculator involves these steps:
- Input: Enter the values of the input voltage (Vin), resistor R1, and resistor R2 into the calculator. Ensure that the units for resistance (ohms) are consistent.
- Calculation: The calculator applies the formula to calculate the output voltage of the resistor divider circuit.
- Output: The calculator displays the calculated output voltage (Vout).
This tool is particularly useful for electronics enthusiasts, engineers, and students who are designing and analyzing resistor divider circuits. It helps them determine voltage levels at different points in the circuit and optimize circuit designs.
For example, if you have an input voltage of 12 volts applied to a resistor divider circuit with resistor values of 10,000 ohms (R1) and 5,000 ohms (R2), the Resistor Divider Calculator will provide you with the output voltage (Vout).