Percentage Calculator

Six percentage calculators in one tool — instant results as you type.

What is X% of Y?

% of
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X is what % of Y?

is what % of
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Percentage Change from X to Y

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Increase / Decrease by %

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Tip Calculator

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Discount Calculator

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How to Use

  1. 1

    Choose the calculation type you need (6 types available).

  2. 2

    Enter the numbers — all 6 calculators update instantly as you type.

  3. 3

    Read the result in the amber result box below each calculator.

📖 Want to learn more?

Read our in-depth guide: tips, best practices, FAQs, and real-world examples.

  • % change = (New – Old) / |Old| × 100
  • Tip calculator splits the bill automatically
  • Results show 4 decimal places for precision
Full Guide