Free Online Percentage Calculator
Calculate percentages, discounts, markups, percentage changes, and convert ratios to percentages with our comprehensive percentage calculator tool. Whether you’re working with finance, business, statistics, or personal calculations, our tool provides accurate results instantly.
Percentage Calculator
Calculate percentages, discounts, markups, percentage changes, and more
Result
Percentage Change
Discount Results
Markup Results
Ratio to Percentage
Recent Calculations
Calculation Types
- Basic Percentage: Calculate percentage of a value, increase/decrease by percentage
- Percentage Change: Calculate the percentage increase or decrease between two values
- Discount Calculator: Calculate final price after applying a discount
- Markup Calculator: Calculate selling price after adding markup to cost
- Ratio to Percentage: Convert ratios to percentages
Common Use Cases
- Finance: Calculate interest rates, returns, and investments
- Business: Calculate discounts, markups, and profit margins
- Statistics: Calculate growth rates and percentage changes
- Education: Calculate grades, scores, and academic performance
- Personal Finance: Calculate tax rates, tips, and savings
Formulas Used
- Percentage of Value: (Percentage × Value) ÷ 100
- Percentage Change: ((New - Old) ÷ Old) × 100
- Discount: Original Price - (Original Price × Discount % ÷ 100)
- Markup: Cost Price + (Cost Price × Markup % ÷ 100)
- Ratio to Percentage: (Numerator ÷ Denominator) × 100
Calculation Types
- Basic Percentage: Calculate percentage of a value, increase/decrease by percentage
- Percentage Change: Calculate the percentage increase or decrease between two values
- Discount Calculator: Calculate final price after applying a discount
- Markup Calculator: Calculate selling price after adding markup to cost
- Ratio to Percentage: Convert ratios to percentages
Formulas Used
- Percentage of Value: (Percentage × Value) ÷ 100
- Percentage Change: ((New – Old) ÷ Old) × 100
- Discount: Original Price – (Original Price × Discount % ÷ 100)
- Markup: Cost Price + (Cost Price × Markup % ÷ 100)
- Ratio to Percentage: (Numerator ÷ Denominator) × 100
How to Use
- Select the calculation type from the tabs
- Enter the required values
- Use quick percentage buttons for common values
- Click calculate to get instant results
- View detailed breakdown of the calculation
Common Use Cases
- Finance: Calculate interest rates, returns, and investments
- Business: Calculate discounts, markups, and profit margins
- Statistics: Calculate growth rates and percentage changes
- Education: Calculate grades, scores, and academic performance
- Personal Finance: Calculate tax rates, tips, and savings