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Percentage Calculator

5 ways to calculate percentages — what is X% of Y?

15% of 200 = 30

Browser-based, files never uploaded Instant results Works on any device

How to use Percentage Calculator

  1. 1Choose calculation mode
  2. 2Enter your values
  3. 3Get instant result
  4. 4Switch modes to explore

About this tool

Calculate percentages online. Find X% of Y, what percentage is X of Y, percentage change, add/subtract percentage from a value.

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Frequently asked questions

What modes are available?

(1) X% of Y, (2) X is what % of Y, (3) % change from X to Y, (4) Add X% to Y, (5) Subtract X% from Y.