💯 Percentage Calculator
Quick & Accurate Calculations
Calculate tips, discounts, grade percentages, and more instantly
Choose a Calculator
Select the type of percentage calculation you need
Basic Percentage
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About the Percentage Calculator
Our free percentage calculator helps you quickly solve common percentage problems. Whether you're calculating tips at a restaurant, figuring out sale discounts, computing grade percentages, or analyzing percentage changes, this tool provides instant, accurate results.
How to Use Each Calculator
- Basic Percentage: Find what percentage one number is of another
- Tip Calculator: Calculate restaurant tips and split bills between people
- Discount Calculator: Determine final price after a percentage discount
- Grade Calculator: Convert points to percentage and letter grades
- Percentage Change: Calculate increase or decrease between two values
Common Percentage Formulas
- To find X% of Y: (X ÷ 100) × Y
- To find what % X is of Y: (X ÷ Y) × 100
- Percentage increase: ((New - Old) ÷ Old) × 100
- Percentage decrease: ((Old - New) ÷ Old) × 100