Percentage Calculator
Calculate percentages, percentage changes, discounts, and more
Percentage Calculator
About Percentage Calculator
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Formulas
Percentage = (Part / Whole) × 100 or Part = (Percentage × Whole) / 100
Percentage Change = ((New Value - Old Value) / Old Value) × 100
Final Value = Initial Value × (1 + Percentage/100)^Number of Periods
Percentage calculations provide estimates and approximations. Results should be interpreted in context and may not account for all variables in complex real-world scenarios. For critical financial decisions, consult with professionals.
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How to Use
For basic calculations, select 'Basic Percentage' and choose between 'Calculate percentage of a number' or 'Calculate what percentage one number is of another'.
For change calculations, select 'Percentage Change' and choose increase, decrease, or change rate calculations.
For compound calculations, select 'Compound Percentage' to calculate effects over multiple periods.
Key Features
Basic Percentage
Calculate what percentage one number is of another, or calculate a percentage of a given value
Percentage Change
Calculate percentage increase, decrease, or change rate between two values
Compound Percentage
Calculate compound interest, growth rate, or discount effects over multiple periods
Discount Calculation
Quickly calculate product discounts, discounted prices, and savings amounts
Time Related
Supports percentage calculations for different time units like years, months, and days
Responsive Design
Adapts to various devices, working perfectly on desktop, tablet, and mobile phones