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Percentage Calculator
Calculate percentages, increases, decreases, and ratios easily. Free percentage calculator for discounts, tips, and more.
% of
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is what % of
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ℹ️ About Percentage
Calculate percentages easily with multiple calculation modes. Find what percent one number is of another, calculate percentage increases/decreases, and solve various percentage problems.
💡 Use Cases
Calculating discounts and sale prices
Finding tip amounts at restaurants
Computing tax amounts
Analyzing percentage changes in data
Grade calculations and scoring
📋 How to use
1
Enter the numbers in the input fields
2
Select the type of percentage calculation
3
View the result instantly
4
Use the swap button to reverse calculations
💎 Pro Tips
- For discounts: use "X% of Y" mode
- For percentage change: use the increase/decrease mode
- Results update automatically as you type
❓ Frequently Asked Questions
Enter the original price, select "percentage of", enter 20, and subtract the result from the original.
Percentage change shows how much a value has increased or decreased relative to the original.
Use the "X is what % of Y" mode, entering both numbers.