Percentage Calculator
Use our free percentage calculator to calculate percentage of a number, percentage increase/decrease, find original value, and percentage difference. Perfect for discounts, tips, and calculations - completely free with no registration required.
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About Percentage Calculator
Our free online percentage calculator helps you calculate various percentage-related problems instantly. Whether you need to calculate discounts, tips, increases, decreases, or find original values, this percentage calculator makes it easy. For other number tools, check out our Number & Date Tools category.
Percentage calculations are essential for everyday life, business, and finance. Our percentage calculator supports five calculation types: percentage of a number (e.g., 20% of 100), percentage increase (e.g., from 50 to 60), percentage decrease (e.g., from 100 to 80), find original value (e.g., 50 is 20% of what?), and percentage difference (e.g., difference between 50 and 60). For date calculations, try our Age Calculator.
Key Features:
- Percentage of a number - Calculate what X% of Y is
- Percentage increase - Calculate percentage increase from one value to another
- Percentage decrease - Calculate percentage decrease from one value to another
- Find original value - Find the original number when you know the percentage
- Percentage difference - Calculate percentage difference between two values
- Step-by-step calculations - See detailed formulas and calculations
Calculate: What is X% of Y?
How to Calculate Percentages
- Select the calculation type: percentage of a number, percentage increase, percentage decrease, find original value, or percentage difference
- Enter the required values based on the calculation type selected
- Click "Calculate" to get your percentage result
- Review the result, formula, and step-by-step calculation
- Copy the result if needed for your application
Learn more: According to Wikipedia's article on Percentage , a percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%". Percentages are used to express how large or small one quantity is relative to another quantity.
Percentage Calculator Use Cases
Discounts & Sales
Calculate discount amounts and sale prices
Tips & Gratuity
Calculate tips and gratuity for services
Growth & Changes
Calculate percentage increases and decreases in values
Financial Calculations
Calculate interest rates, returns, and financial percentages
Frequently Asked Questions
Is the percentage calculator free to use?
Yes, our percentage calculator is completely free to use. No registration or payment required.
What percentage calculations are supported?
We support five calculation types: percentage of a number, percentage increase, percentage decrease, find original value, and percentage difference.
Can I calculate discounts?
Yes, you can use the percentage decrease calculation to calculate discounts. For example, if an item costs $100 and has a 20% discount, the new price would be $80.
Can I calculate tips?
Yes, you can use the percentage of a number calculation to calculate tips. For example, 15% of $50 would be $7.50.
What is percentage difference?
Percentage difference calculates the relative difference between two values as a percentage of their average. It's useful for comparing two values.
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