Percentage Calculator
Free online Percentage Calculator tool.
Input
Enter values for Percentage Calculator
Value
Percentage (%)
Result
About Percentage Calculator
The Percentage Calculator instantly solves common percentage problems, such as finding a percentage of a number, calculating percentage increase/decrease, or determining what percentage one number is of another.
How to Use
Real-World Examples
Calculating a Discount
Find out what 15% of $120 is to determine the discount amount.
What is 15% of 120?
18
Calculating Growth
Determine the percentage increase of your monthly traffic.
What is the percentage increase from 500 to 750?
50%
Best Practices
- When calculating financial margins, make sure you know whether you need percentage markup or margin, as they use different formulas.
Pro Tips
Formulas: Percentage = (Part / Whole) * 100. Percentage Change = ((New - Old) / Old) * 100.
Frequently Asked Questions
How accurate is the result?
Results are calculated using standard double-precision floating-point format and are highly accurate.
Is my data secure?
Absolutely. All processing is done locally in your browser.
Security & Privacy
Calculations run client-side. Your financial figures or statistical data are never uploaded to our servers.