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%Percentage Calculator

Percentage Calculator
%
is what % of
+
× (1 -
%)
About

Calculate percentages in multiple ways: find a percentage of a number, determine what percent one number is of another, compute percentage change, apply discounts, and increase values by a percentage.

Use Cases
  • Shopping discounts & sales
  • Tips & tax calculations
  • Grade percentage conversion
  • Business growth analysis
About This Tool

Free online percentage calculator with 5 modes: find X% of Y, determine what percent X is of Y, calculate percentage change, increase by percentage, and compute discounts. Perfect for shopping, taxes, and grades.

  • Free to use, no registration required
  • Works entirely in your browser
  • No data sent to servers
  • Accessible on desktop and mobile
Use Cases
  • Homework and assignments
  • Exam preparation
  • Classroom demonstrations
  • Research and analysis
  • Quick calculations
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