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Percentage Calculator

What is X% of Y?
What is % of ?
Result
30
X is what % of Y?
is what % of ?
Percentage
15%
Percentage Change
From to
Increase
+25%
Add or Subtract a Percentage
%
Result
120
Why people use this tool

Percentage Calculator

Handle the most common percentage questions in one place, including percent of a number, percentage change, and quick markups or markdowns.

  • Figure out discounts, tips, markups, and percentage increases fast.
  • Compare change between two values without hand-running the formula.
  • Check percentage math before you send pricing, budgets, or reports.
Typical workflow Pick the percentage mode you need, enter the values, and copy the result without opening a spreadsheet.
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Percentage Calculator interface preview
Live interface preview for Percentage Calculator. This screenshot is also the landing image Google can associate with the tool page.
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v1.0