Percentage Calculator
Calculate percentages, increases, decreases, and more.
Enter numbers to calculate percentages instantly. Find X% of Y, what percent X is of Y, or percentage increase/decrease. All calculations happen in your browser.
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What is Percentage Calculator?
Percentage Calculator is a free tool for common percentage calculations: finding a percentage of a number, calculating what percent one number is of another, and determining percentage changes.
When Should You Use This Tool?
Use this tool for financial calculations, discounts, tips, grade calculations, data analysis, or any time you need to work with percentages.
How to Use Percentage Calculator
- 1Choose the type of calculation you need.
- 2Enter the required numbers.
- 3See the result instantly.
- 4Copy the result if needed.
How Does This Tool Work?
This calculator uses simple mathematical formulas to compute percentages. All calculations are done locally in your browser.
Privacy Note: Runs entirely in your browser. Your data never leaves your device. No file uploads to any server.
Common Use Cases
Students
Calculate grades and test scores.
Shoppers
Calculate discounts and sale prices.
Financial Analysts
Compute percentage changes in data.