Advanced Percentage Calculator

Welcome to the most comprehensive free online percentage calculator. Whether you're calculating simple percentages, analyzing growth rates, working with discounts, or handling complex compound interest scenarios, this tool covers all your needs with clear step-by-step explanations.

Basic % of Number
Increase / Decrease
Reverse Percentage
Compound Growth
Percentage of %
What % Is X of Y
Percentage Change
Bulk Calculator

Basic Percentage Calculator

Find what a certain percentage is of a given number.

Real-World Example

What is 18% tax on a $450 purchase?

18% of 450 = 81 → Total with tax: $531

Percentage Increase or Decrease Calculator

Calculate how much a value has increased or decreased in percentage terms.

Reverse Percentage Calculator

Find the original amount before a percentage was added or subtracted (e.g., original price before discount).

Common Use: Discounts

After 30% discount, an item costs $140. What was the original price?

Original = 140 ÷ (1 - 0.30) = $200

Compound Percentage Calculator

Calculate compound growth or interest over multiple periods.

Percentage of a Percentage

Calculate what one percentage is of another (useful in successive discounts or markups).

What Percentage Is One Number of Another?

Determine what percentage a part represents of a whole.

Percentage Difference Calculator

Find the relative percentage difference between two values (symmetric formula).

Bulk Percentage Calculator

Apply the same percentage to multiple numbers at once.

Recent Calculations

Why Use Our Percentage Calculator?

This advanced percentage calculator stands out because it combines eight powerful calculation modes into one easy-to-use tool, complete with:

Whether you're a student solving math problems, a shopper calculating discounts, a business analyst tracking growth metrics, or a professional working with financial data, this tool provides accurate results instantly.

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