Step-by-step instructions
- Enter or select Output voltage.
- Enter or select Input voltage.
- Tap Calculate.
- Review the result shown directly below the calculator.
Voltage Divider Ratio Calculator
Calculate output voltage ratio from output and input voltage.
How to use the Voltage Divider Ratio Calculator
Calculate output voltage ratio from output and input voltage.
What the inputs mean
- Output voltage
- Enter the value requested by this field label.
- Input voltage
- Enter the value requested by this field label.
Formula or calculation method
Output voltage is divided by Input voltage and the result is multiplied by 100 to express the relationship as a percentage.
Example
For example, if Output voltage is 25 and Input voltage is 100, the calculated result is 25%.
How to understand the result
The result is a percentage. A higher or lower percentage has different meaning depending on the calculator, so compare it with the goal, limit, benchmark, or historical value relevant to your situation.
Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.