Percentage Calculator
Calculate percentages instantly with our free online tool. Whether you need to find what percent of a number, calculate percentage change, or determine percentage increase or decrease, our calculator handles all your percentage calculations with precision and speed.
Our free percentage calculator is a comprehensive tool designed to solve all your percentage calculation needs quickly and accurately. Whether you're calculating discounts while shopping, analyzing financial data, working on school assignments, or tracking business metrics, this percent calculator provides instant results with five powerful calculation modes.
Five Powerful Calculation Modes:
- What is X% of Y? - Find the percentage of any number. Perfect for calculating discounts, tips, taxes, or any situation where you need to find a percent of a number.
- X is what % of Y? - Determine what percentage one number represents of another. Ideal for calculating completion rates, grade percentages, or comparing values.
- X is Y% of what? - Find the whole when you know the part and percentage. Useful for reverse calculations and determining original prices before discounts.
- Percentage Change - Calculate the percentage increase or decrease between two values. Essential for analyzing growth rates, price changes, or comparing data over time.
- Add/Subtract Percentage - Increase or decrease a number by a percentage. Perfect for calculating final prices with tax, discounts, or markups.
Common Use Cases: This percentage calculator is perfect for everyday situations like calculating store discounts during sales, determining tip amounts at restaurants, figuring out sales tax, analyzing investment returns, calculating grade percentages for school, tracking weight loss progress, determining market share changes, and countless other scenarios where you need quick, accurate percentage calculations.
Why Use Our Calculator? All calculations update instantly as you type, providing real-time results without needing to press a calculate button. Each mode includes the mathematical formula for transparency, example calculations to help you understand the results, and a convenient copy button to quickly use your results elsewhere. The calculator works entirely in your browser with no data sent to servers, ensuring your privacy and providing lightning-fast performance.
Whether you're a student learning percentage calculations, a professional working with financial data, a shopper comparing deals, or anyone who needs to calculate percentages regularly, this tool simplifies the process and eliminates calculation errors. Bookmark this page for easy access whenever you need a reliable percent calculator.