Percentage Calculator
Result
Calculated result
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↗ Math
Calculate what percentage one number is of another.
Formula
Percentage = Part / Whole × 100
- Divide the part by the whole and multiply the result by 100.
- The main inputs are Part, Whole. Enter them in the units and format shown in the calculator.
- Keep comparable quantities in compatible units whenever the formula combines or compares them.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Percentage
Inputs
- Part: 25
- Whole: 200
If the part is 25 and the whole is 200: 25 / 200 × 100 = 12.50%.
Sample result: Calculating…
Frequently asked questions
What is a percentage?
A percentage expresses a number as a fraction of 100.
What does the Percentage calculate?
Calculate what percentage one number is of another.
Which values should I enter?
Enter Part, Whole using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Percentage = Part / Whole × 100.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.